/ Thesaurus / F Synonyms of floating moss Find synonyms for: Noun1. floating-moss, Salvinia rotundifolia, Salvinia auriculata, aquatic fern, water fernusage: free-floating aquatic fernsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language