sea snake

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of numerous venomous aquatic viviparous snakes having a fin-like tail;
of warm littoral seas;
feed on fish which they immobilize with quick-acting venom
• Hypernyms:
snake, serpent, ophidian
• Member Holonyms:
Hydrophidae, family Hydrophidae