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Definition of sea turtle

sea turtle

Plural:sea turtles
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• noun

1

A large marine reptile of the superfamily Chelonioidea, characterized by a streamlined, flattened shell, flippers adapted for swimming, and a life cycle spent predominantly in the ocean, though females return to sandy beaches to lay eggs.

Example

"Conservationists are working to protect the nesting grounds of the endangered green sea turtle along the tropical coastline."

Synonyms
View all synonyms for sea turtle

• Nearby Words

sea snake
sea thrift
sea toad
sea turtle
sea-buckthorn
seabass
seabeach

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sea turtle. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sea-turtle
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