/ Thesaurus / W Synonyms of wolffia columbiana Find synonyms for: Noun1. common wolffia, Wolffia columbiana, watermealusage: smallest flowering plants known; of the AmericasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language