/ Thesaurus / O Synonyms of oryzopsis hymenoides Find synonyms for: Noun1. mountain rice, silkgrass, silk grass, Indian millet, Oryzopsis hymenoides, ricegrass, rice grassusage: valuable forage grass of dry upland areas and plains of western North America to northern MexicoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language