Breadcrumb Home > Thesaurus > O Synonyms of order testudines Find synonyms for: Noun1. Chelonia, order Chelonia, Testudinata, order Testudinata, Testudines, order Testudines, animal orderusage: tortoises and turtlesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language