/ Thesaurus / M Synonyms of marine turtle Find synonyms for: Noun1. sea turtle, marine turtle, turtleusage: any of various large turtles with limbs modified into flippers; widely distributed in warm seasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: copious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language