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Definition of sea snake

sea snake

Plural:sea snakes
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sea snake Lexical Profile

• noun

1

Any of various highly venomous elapid marine snakes of the subfamily Hydrophiinae, native to the coastal waters of the Indian and Pacific Oceans and characterized by a flattened, paddle-like tail adapted for swimming.

Example

"While exploring the coral reef, the scuba diver maintained a respectful distance from the banded sea snake gliding effortlessly through the water."

Synonyms
View all synonyms for sea snake

• Nearby Words

sea otter
sea raven
sea robin
sea snake
sea thrift
sea toad
sea turtle

Word Origin & Etymology

A descriptive compound of the Old English words 'sǣ' (sea) and 'snaca' (snake), first recorded in English in the 17th century to describe fully marine serpents.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sea snake. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/sea snake
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