一口ichi1 news1 nf15(ひとくち); ひと口; 振り出しnews1 nf16; 振出し(ふりだし); 振出; 振り出; 船足; 船脚; 舟足; 舟脚; 草する; 通風(tsūfū)Engineering and Science Technical Dictionary (James Friend) ; 圧下率Engineering and Science Technical Dictionary (James Friend) ; きっ水River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 鉛直気流River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 抜き勾配Glossary of Manufacturing
Depth to which a ship is immersed in water(The depth varies according to the design of the ship and will be greater or lesser depending not only on the weight of the ship and everything on board, but also on the density of the water in which the ship is lying)