Breadcrumb Home > Thesaurus > C Synonyms of cupule Find synonyms for: Noun1. cupule, acorn cup, cupusage: cup-shaped structure of hardened bracts at the base of an acorn2. cupule, suckerusage: a sucker on the feet of certain fliesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cupule (Dictionary) ✖ Related Content Daily Word Quiz: hieratic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language