Breadcrumb Home > Thesaurus > I Synonyms of ichthyosaur Find synonyms for: Noun 1. ichthyosaur, archosaur, archosaurian, archosaurian reptile usage: any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ichthyosaur (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language