Breadcrumb Home > Thesaurus > T Synonyms of testacean Find synonyms for: Noun1. testacean, rhizopod, rhizopodanusage: any of various rhizopods of the order Testacea characterized by having a shellWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of testacean (Dictionary) ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language