/ Thesaurus / G Synonyms of genus cereus Find synonyms for: Noun1. Cereus, genus Cereus, caryophylloid dicot genususage: genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually whiteWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language