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Any of various venomous aquatic snakes of the family Elapidae (or Hydrophiidae) that inhabit tropical waters of the Pacific and Indian Oceans and that bear live offspring.
(Animals) any venomous snake of the family Hydrophiidae, of tropical seas, that swims by means of a laterally compressed oarlike tail
any of several venomous marine snakes of the family Hydrophidae, having a finlike tail.
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|Noun||1.||sea snake - 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|