/ Thesaurus / S Synonyms of stelis Find synonyms for: Noun1. stelis, orchid, orchidaceous plantusage: any of various small tropical American orchids of the genus Stelis having long slender racemes of numerous small to minute flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language