| Subject | French | English |
| fin. | achat d'écart papillon | long butterfly spread |
| fin. | achat d'écart papillon | sandwich spread |
| fin. | achat d'écart papillon | long butterfly |
| fin. | achat d'écart papillon sur calls | long butterfly call spread |
| fin. | achat d'écart papillon sur options d'achat | long butterfly call spread |
| fin. | achat d'écart papillon sur options d'achat | long butterfly put spread |
| fin. | achat d'écart papillon sur puts | long butterfly put spread |
| reptil. | agame-papillon | butterfly lizard (Leiolepis Bedriagaia) |
| mech.eng. | amortisseur du papillon des gaz | throttle valve cushion |
| mech.eng. | angle d'ouverture du papillon | angle of throttle opening |
| commun. | antenne en papillon | batwing antenna |
| commun. | antenne en papillon | batwing aerial |
| commun., IT | antenne-papillon | bow-tie antenna |
| transp., polit. | antenne papillon | batwing aerial |
| antenn. | antenne papillon | bat-wing antenna |
| life.sc., el. | anémomètre de Papillon et Robinson | cup anemometer |
| transp., mech.eng. | arbre de papillon | butterfly shaft |
| tech., mech.eng. | arbre du papillon d'un robinet | disk shaft of a valve |
| construct. | assemblage papillon | butterfly type joints |
| environ., nat.res. | astrild papillon | red-cheeked cordonbleu (Estrilda bengala, Uraeginthus bengalus) |
| transp. | axe du papillon | throttle shaft |
| fish.farm. | baveuse-papillon | butterfly blenny (Blennius ocellaris) |
| nat.sc., agric. | baveuse papillon | butterfly blenny (Blennius ocellaris) |
| chem., el. | bec papillon | fishtail burner |
| chem. | bec papillon | wing burner |
| chem. | bec papillon | flame spreader |
| chem., el. | bec papillon | flat-flame burner |
| chem. | bec papillon | fish-tail burner |
| chem. | bec papillon | flat burner |
| chem., el. | bec papillon | batswing burner |
| fish.farm. | blennie-papillon | butterfly blenny (Blennius ocellaris) |
| ichtyol. | blennie papillon | butterfly blenny (Blennius ocellaris) |
| nat.sc., agric. | blennie papillon | butterfly blenny (Blennius ocellaris) |
| hobby | brasse papillon | butterfly stroke |
| swim. | brasse papillon | butterfly breast stroke |
| hobby | brasse papillon | butterfly breaststroke |
| gen. | brasse papillon | butterfly (stroke) |
| chem. | brûleur à bec papillon | fish-tail burner |
| gen. | bulletin papillon | butterfly ballot |
| gen. | bulletin à papillon | butterfly ballot |
| mech.eng. | capteur de position du papillon des gaz | throttle position sensor |
| gen. | c'est un vrai papillon | he's fickle |
| ichtyol. | Cigale papillon Ibacus peronii | butterfly fan lobster |
| gen. | circuit papillon | butterfly circuit |
| antenn. | circuit semi-papillon | semi-butterfly circuit |
| chem., el. | clapet de non-retour à papillon | tilting disk check valve |
| chem., el. | clapet de non-retour à papillon | butterfly check valve |
| chem., el. | clapet à papillon | tilting disk check valve |
| chem., el. | clapet à papillon | butterfly check valve |
| tech., mech.eng. | couronne de serrage du joint du papillon d'un robinet | disk seal tightening crown of a valve |
| gen. | couteau papillon | butterfly knife |
| gen. | couteau papillon | Balisong knife |
| textile | couture papillon | butterfly seam |
| astr. | diagramme papillon | butterfly diagram (pl: diagrammes papillon) |
| IT | débit de la structure papillon | butterfly throughput |
| nat.sc. | effet papillon | butterfly effect |
| transp., avia. | empennage en papillon | V-tail |
| transp. | empennage papillon | V tail |
| transp. | empennage papillon | butterfly tail |
| commun., transp. | enquête papillons | vehicle intercept survey |
| commun., transp. | enquête papillons | precoded tag survey |
| med. | figure en ailes de papillon | butterfly phenomenon |
| gen. | filet à papillons | butterfly net |
| ichtyol. | Flion papillon Donax asper | rough butterfly donax |
| transp., polit. | gouverne d'empennage papillon | ruddervator |
| agric. | grand papillon blanc du chou | large cabbage-white (Pieris brassicae) |
| agric. | grand papillon blanc du chou | large white butterfly (Pieris brassicae) |
| agric. | grand papillon blanc du chou | garden white cabbage caterpillar (Pieris brassicae) |
| agric. | grand papillon blanc du chou | cabbage worm (Pieris brassicae) |
| nat.sc., agric. | herbe papillon | scorpion-weed (Heliotropium indicum L., Tiaridium indicum Lehm.) |
| nat.sc., agric. | herbe papillon | indian heliotrope US (Heliotropium indicum L., Tiaridium indicum Lehm.) |
| mech.eng. | interrupteur de position fermée du papillon des gaz | closed throttle position switch |
| tech., mech.eng. | joint du papillon d'un robinet | disk seal of a valve |
| med. | kératodermie type Papillon Lefèvre | Papillon Lefèvre syndrome |
| med. | kératose palmo-plantaire avec périodontopathie de Papillon Lefèvre | palmoplantar keratosis with periodontopathy after Papillon-Lefèvre |
| mech.eng. | levier du papillon des gaz | throttle valve operating lever |
| mech.eng. | levier du papillon des gaz | throttle disc control lever |
| mech.eng. | levier du papillon des gaz | throttle valve lever |
| med. | lupus en papillon | butterfly lupus |
| mech.eng. | manette de commande du papillon | throttle valve operating lever |
| mech.eng. | manette de commande du papillon | throttle valve lever |
| mech.eng. | manette de commande du papillon | throttle disc control lever |
| gen. | mine papillon | butterfly bomb |
| gen. | mine papillon | parrot mine |
| gen. | mine papillon | green parrot mine |
| gen. | mine papillon | butterfly mine |
| gen. | minute, papillon! | not so fast! |
| gen. | minute, papillon! | hold your horses! |
| hobby | nage papillon | butterfly stroke |
| hobby | nage papillon | butterfly breaststroke |
| industr., construct. | noeud papillon | bow tie |
| patents. | noeuds papillon | bow ties |
| inf. | nœud papillon | bow tie |
| fin. | opération mixte du papillon | butterfly spread |
| fin. | opération mixte du papillon | butterfly |
| fin. | opération mixte du papillon en position courte | short butterfly spread |
| fin. | opération mixte du papillon en position courte | short butterfly |
| fin. | opération mixte du papillon en position longue | sandwich spread |
| fin. | opération mixte du papillon en position longue | long butterfly |
| fin. | opération mixte du papillon en position longue | long butterfly spread |
| transp. | ouverture du papillon des gaz | throttle opening |
| antenn. | panneau de papillons | bat-wing panel |
| nat.sc., agric. | papillon blanc du chou | cabbage white butterfly (Pieris) |
| entomol. | papillon blanc gazé | thorn butterfly (Aporia crataegi) |
| entomol. | papillon blanc gazé | black-veined white (Aporia crataegi) |
| nat.sc., agric. | papillon blanc veiné du vert | green-veined white butterfly (Pieris napi) |
| nat.sc., agric. | papillon blanc veiné du vert | green-veined white (Pieris napi) |
| transp., mech.eng. | papillon d'accélérateur | throttle |
| transp., mech.eng. | papillon d'accélérateur | throttle valve |
| transp., mech.eng. | papillon d'accélérateur | throttle butterfly |
| gen. | papillon de baltimore | Baltimore butterfly |
| ichtyol. | papillon de Bennett | archer butterfly fish (Nalbantius bennetti) |
| transp. | papillon de cheminée | funnel damper |
| transp. | papillon de gaz | throttle plate in a carburettor or injection system |
| transp. | papillon de gaz | throttle plate |
| ichtyol. | papillon de Klein | white-spotted butterfly fish (Exornator kleini) |
| entomol. | papillon de la grenade Virachola livia | pomegranate butterfly |
| nat.res. | papillon de l'aristoloche | pipevine swallowtail (Battus philenor) |
| ichtyol. | papillon de mer | butterfly blenny (Blennius ocellaris) |
| nat.sc., agric. | papillon de mer | butterfish (Centronotus gunnellus, Pholis gunnellus) |
| zool. | papillon de mer | butterfish (Pholis gunnellus) |
| fish.farm. | papillon de mer | gunnel butterfish (Centronotus gunnellus, Pholis gunnellus) |
| gen. | papillon de nuit | moth |
| entomol. | papillon de Pandora | pandora moth |
| nat.res. | papillon de Pandore | pandora moth (Coloradia pandora) |
| transp. | papillon de réglage | butterfly damper |
| chem., el. | papillon de réglage d'air | aeration vane |
| industr. | papillon de réglage de la pression | pressure control valve |
| entomol. | papillon des carottes | European swallowtail (Papilio machaon) |
| nat.res. | papillon des carottes | common swallowtail (Papilio machaon) |
| transp., mech.eng. | papillon des gas | throttle valve |
| transp., mech.eng. | papillon des gas | throttle shutter |
| mech.eng. | papillon des gaz | choker |
| transp. | papillon des gaz | throttle |
| mech.eng. | papillon des gaz | throttle disc or disk |
| mech.eng. | papillon des gaz | throttle valve |
| mech.eng. | papillon des gaz | throttle butterfly |
| transp. | papillon d'obturation | throttle |
| entomol. | papillon du citron Papilio demoleus | lemon butterfly |
| entomol. | papillon du céleri | black swallowtail (Papilio polyxenes) |
| entomol. | papillon du tremble | poplar admiral (Limenitis populi) |
| entomol. | papillon du tremble | great viceroy (Limenitis populi) |
| tech., mech.eng. | papillon d'un robinet | shaft/disk connecting pin of a valve |
| ichtyol. | papillon délavé | purple butterfly fish (Mesochaetodon trifasciatus) |
| ichtyol. | papillon délavé | three-banded coralfish (Mesochaetodon trifasciatus) |
| ichtyol. | papillon délavé | lineated butterfly fish (Mesochaetodon trifasciatus) |
| construct. | papillon d'étranglement | throttle (valve) |
| nat.sc., agric. | papillon frelon | poplar hornet clearwing (Aegeria apiformis, Sesia apiformis, Trochilium apiformis) |
| entomol. | papillon frelon Sesia apiformis | hornet moth |
| entomol. | papillon frelon Sesia apiformis | poplar hornet clearwing |
| nat.sc., agric. | papillon frelon | hornet moth (Aegeria apiformis, Sesia apiformis, Trochilium apiformis) |
| entomol. | papillon glauque | tiger swallowtail (Papilio glaucus) |
| work.fl. | papillon gommé | adhesive signal |
| agric. | papillon gris de la farine | flour moth (Anagasta kuehniella, Ephestia kuehniella) |
| agric. | papillon gris de la farine | mill moth (Anagasta kuehniella, Ephestia kuehniella) |
| agric. | papillon gris de la farine | Mediterranean flour moth (Anagasta kuehniella, Ephestia kuehniella) |
| nat.res. | papillon impérial | pine imperial moth (Eacles imperialis pini) |
| entomol. | papillon impérial | imperial moth (Eacles imperialis) |
| nat.sc., agric. | papillon impérial | imperial moth (Eacles imperialis) |
| ichtyol. | papillon jaune et blanc | brushy-toothed butterfly fish (Hemitaurichthys zoster) |
| entomol. | papillon lune | luna moth (Actias luna) |
| nat.res. | papillon lune | luna moth (Actias luna) |
| environ., nat.res. | papillon monarque | monarch butterfly (Danaus plexippus) |
| entomol. | papillon pandora Coloradia pandora | Pandora moth |
| biol. | papillon pollinisateur | butterfly pollinator |
| ichtyol. | papillon réticulé | pearly butterfly fish (Exornator mertensi) |
| ichtyol. | papillon réticulé | reticulated butterfly fish (Citharoedus retieulatus) |
| entomol. | papillon satiné | satin moth (Stilpnotia salicis) |
| entomol. | papillon satiné | willow moth (Stilpnotia salicis) |
| entomol. | papillon satiné Leucoma salicis (L.), Stilpnotia salicis | white satin moth |
| entomol. | papillon satiné Leucoma salicis (L.), Stilpnotia salicis | atlas moth |
| entomol. | papillon satiné Leucoma salicis (L.), Stilpnotia salicis | willow liparid |
| agric. | papillon satiné | satin moth (Stilpnotia salicis) |
| ichtyol. | papillon tacheté | speckled butterfly fish (Exornator citrinellus) |
| gen. | papillon urgent | urgent tag |
| agric. | papillon à air | air damper |
| ichtyol. | papillon à antenne | threadfin butterfly fish (Rabdophorus auriga) |
| ichtyol. | papillon à selle | saddled butterfly fish (Rabdophorus falcula) |
| ichtyol. | papillon à taches noires | saddleback butterfly fish (Rabdophorus ephippium) |
| ichtyol. | papillon à taches noires | black-blotched butterfly fish (Rabdophorus ephippium) |
| ichtyol. | papillon à une tache | onespot butterfly fish (Heterochaetodon unimaculatus) |
| ichtyol. | papillon à une tache | limespot butterfly fish (Heterochaetodon unimaculatus) |
| entomol. | papillons blancs | whites (Pieridae) |
| entomol. | papillons blancs | sulphur butterflies (Pieridae) |
| ichtyol. | papillons de mer | coralfishes (Chaetodontidae) |
| ichtyol. | papillons de mer | butterfly fishes (Chaetodontidae) |
| entomol. | petit papillon blanc du chou Pieris rapae (L.) | imported cabbage worm |
| entomol. | petit papillon blanc du chou Pieris rapae (L.) | small white butterfly |
| entomol. | petit papillon blanc du chou Pieris rapae (L.) | cabbage white butterfly |
| entomol. | petit papillon du chou | turnip butterfly (Pieris rapae) |
| entomol. | petit papillon du chou | small white butterfly (Pieris rapae) |
| ichtyol. | poisson-papillon | butterfly fish (Pantodon buchholzi) |
| ichtyol. | poisson-papillon | African flying fish (Pantodon buchholzi) |
| ichtyol. | poissons-papillons | butterfly fishes (Pantodontidae) |
| nat.sc., agric. | poissons papillons | butterfly fishes (Chaetodontidae) |
| mech.eng. | porte papillon | gull wing door |
| mech.eng. | portière à ouverture papillon | electric gull-wing door |
| mech.eng. | position absolue du papillon | absolute throttle position |
| ichtyol. | Raie-papillon californienne Gymnura marmorata | California butterfly ray |
| ichtyol. | raie-papillon glabre | lesser butterfly ray (Gymnura micrura) |
| ichtyol. | raie-papillon glabre | short-tailed butterfly ray (Gymnura micrura) |
| ichtyol. | raie-papillon glabre | smooth butterfly ray (Gymnura micrura) |
| ichtyol. | raie-papillon glabre | Atlantic butterfly ray (Gymnura micrura) |
| ichtyol. | raie-papillon guyanaise Gymnura micrura | smooth butterfly ray |
| ichtyol. | raie-papillon épineuse | spiny butterfly ray (Gymnura altavela) |
| ichtyol. | raie-papillon épineuse | giant butterfly ray (Gymnura altavela) |
| ichtyol. | raie-papillon épineuse | butterfly ray (Gymnura altavela) |
| ichtyol. | raies-papillon Gymnura (spp.) | butterfly rays |
| ichtyol. | Raies-papillon nca Gymnura spp | butterfly rays nei |
| ichtyol. | raies-papillons | butterfly rays (Gymnura) |
| tech., mech.eng. | registre de réglage à papillon | butterfly regulation valve |
| mun.plan., earth.sc. | registre papillon | butterfly damper |
| met. | registre à papillon | butterfly valve |
| tech., mech.eng. | registre à papillon | single leaf damper |
| mech.eng. | robinet à papillon | butterfly valve |
| tech., mech.eng. | robinet à papillon sans bride | wafer butterfly valve |
| tech., mech.eng. | robinet à papillon à brides | double flanged butterfly valve |
| transp. | réglage ouverture des papillons | throttles adjustment |
| nat.res. | soupape à papillon | butterfly valve |
| fin. | spread papillon | butterfly spread |
| fin. | spread papillon | butterfly |
| fin. | spread papillon acheteur | sandwich spread |
| fin. | spread papillon acheteur | long butterfly spread |
| fin. | spread papillon acheteur | long butterfly |
| fin. | spread papillon vendeur | short butterfly spread |
| fin. | spread papillon vendeur | short butterfly |
| med. | syndrome de Papillon-Léage | Papillon-Léage-Psaume syndrome |
| ichtyol. | Sépiole papillon Sepiola birostrata | butterfly bobtail squid |
| ichtyol. | thon papillon | scaled tunny (Gasterochisma melampus) |
| life.sc., fish.farm. | thon-papillon | butterfly kingfish (Gasterochisma melampus) |
| ichtyol. | thon papillon | big-scaled mackerel (Gasterochisma melampus) |
| ichtyol. | thon papillon | butterfly mackerel (Gasterochisma melampus) |
| ichtyol. | thon papillon | butterfly kingfish (Gasterochisma melampus) |
| nat.sc., agric. | thon papillon | butterfly kingfish (Gasterochisma melampus) |
| ichtyol. | thons papillons | butterfly kingfishes (Corcirogobius, Gasterochisma) |
| mech.eng. | valve à papillon | throttle valve |
| met. | valve à papillon de Siemens | Siemens' butterfly valve |
| construct. | vanne papillon | butterfly gate |
| mech.eng., el. | vanne papillon | butterfly valve |
| construct. | vanne papillon | throttle valve |
| transp., mech.eng., construct. | vanne papillon de vidange de fond | free discharge butterfly valve |
| transp., mech.eng., construct. | vanne papillon à fermeture automatique | self-closing butterfly valve |
| fin. | vente d'écart papillon | short butterfly spread |
| fin. | vente d'écart papillon | short butterfly |
| fin. | vente d'écart papillon sur calls | short butterfly call spread |
| fin. | vente d'écart papillon sur options d'achat | short butterfly call spread |
| fin. | vente d'écart papillon sur options de vente | short butterfly put spread |
| fin. | vente d'écart papillon sur puts | short butterfly put spread |
| transp., construct. | ventelle-papillon à axe horizontal | butterfly valve with horizontal axis |
| med. | vertèbre en papillon | butterfly vertebra |
| mech.eng. | vis papillon | wing bolt |
| mech.eng. | vis papillon | wing screw |
| mech.eng. | vis papillon | butterfly screw |
| transp. | vis papillon | thumb screw |
| mech.eng. | vis à papillon | wing bolt |
| mech.eng. | vis à papillon | wing screw |
| mech.eng. | vis à papillon | thumb screw |
| mech.eng. | vis à papillon | butterfly screw |
| fin. | écart diagonal en papillon | diagonal butterfly spread |
| fin. | écart en papillon | butterfly spread |
| fin. | écart papillon | butterfly |
| fin. | écart papillon | butterfly spread |
| fin. | écart papillon sur calls | butterfly call spread |
| fin. | écart papillon sur options d'achat | butterfly call spread |
| fin. | écart papillon sur options de vente | butterfly put spread |
| fin. | écart papillon sur puts | butterfly put spread |
| IT | écran Ajout d'un papillon | attach memo slip display |
| met., mech.eng. | écrou papillon | butterfly nut |
| met., mech.eng. | écrou papillon | fly nut |
| met., mech.eng. | écrou papillon | wing nut |
| industr. | écrou papillon | finger nut |
| met., mech.eng. | écrou à papillon | wing nut |
| met., mech.eng. | écrou à papillon | fly nut |
| met., mech.eng. | écrou à papillon | butterfly nut |
