Any one of many species of venomous aquatic snakes of the family Hydrophidae, having a flattened tail and living entirely in the sea, especially in the warmer parts of the Indian and Pacific Oceans. They feed upon fishes, and are mostly of moderate size, but some species become eight or ten feet long and four inches broad.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sea snake. Retrieved September 26, 2026, from http://smartdefine.org/sea_snake/definitions/2059454 |
| Chicago | Webster's. 2011. "sea snake" http://smartdefine.org/sea_snake/definitions/2059454 (accessed September 26, 2026). |
| Harvard | Webster's 2011, sea snake, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/sea_snake/definitions/2059454>. |
| MLA | Webster's. "sea snake" 28 May 2011. Web. 26 September 2026. <http://smartdefine.org/sea_snake/definitions/2059454> |