lamper eel

Từ điển WordNet v3.1 - WordNet Dictionary

noun

primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
• Syn:
lamprey, lamprey eel
• Hypernyms:
jawless vertebrate, jawless fish, agnathan
• Hyponyms:
sea lamprey, Petromyzon marinus
• Member Holonyms:
Petromyzontidae, family Petromyzontidae