- Any of various primitive elongated freshwater or anadromous fishes of the family Petromyzontidae, characteristically having a jawless sucking mouth with rasping teeth. Also called lamper eel 七鳃鳗，八目鳗：一种七鳃鳗科的原始细长淡水或溯河产卵鱼，特点是长有无颌的吮吸嘴，嘴内有锉牙 也作 lamper eel
- Middle English lamprei 中古英语 lamprei
- from Old French lampreie 源自 古法语 lampreie
- from Medieval Latin lampreda 源自 中世纪拉丁语 lampreda