Hydrophid
Pronunciation : Hy"dro*phid
Part of Speech : n.
Etymology : [Hydro-, 1 + Gr. (Zo?l.)
Definition : Defn: Any sea snake of the genus Hydrophys and allied genera. These snakes are venomous, live upon fishes, and have a flattened tail for swimming.
Source : Webster's Unabridged Dictionary, 1913