| Subject | English | German |
| agric. | quadrangular basin | Viereckbecken |
| med. | quadrangular cartilage | Nasenscheidewandknorpel (cartilago septi nasi) |
| med. | quadrangular cartilage | Nasenseptumknorpel (cartilago septi nasi) |
| construct. | quadrangular falsework | Trapezsprengwerk |
| med. | quadrangular lobe of cerebellum | Lobulus quadratus cerebelli (lobulus quadratus cerebelli) |
| trav. | quadrangular mark | Quadratmarkierung |
| phys. | quadrangular prism | Vierkantprisma |
| met. | quadrangular prism | vierseitiges Prisma |