/ Thesaurus / T Synonyms of tortoiseshell cat Find synonyms for: Noun1. tortoiseshell, tortoiseshell-cat, calico cat, domestic cat, house cat, Felis domesticus, Felis catususage: a cat having black and cream-colored and yellowish markingsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language