Breadcrumb Home > Thesaurus > C Synonyms of cirri Find synonyms for: Noun 1. cirrus, cirrhus, tendril usage: usually coiled 2. cirrus, cirrus cloud, cloud usage: a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles) 3. cirrus, process, outgrowth, appendage usage: a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cirri (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: cognoscenti Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language