/ Thesaurus / R Synonyms of ravenna grass Find synonyms for: Noun1. Ravenna grass, wool grass, Erianthus ravennae, plume grassusage: grass often cultivated for its long white-ribbed leaves and large plumes resembling those of pampas grassWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language