Breadcrumb Home > Thesaurus > O Synonyms of orchidaceous plant Find synonyms for: Noun1. orchid, orchidaceous plant, flowerusage: any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: unctuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language