/ Thesaurus / R Synonyms of rumex acetosella Find synonyms for: Noun1. sheep sorrel, sheep's sorrel, Rumex acetosella, dock, sorrel, sour grassusage: small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry placesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abscond Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language