/ Thesaurus Find synonyms for: Noun1. mulch, protective covering, protective cover, protectionusage: a protective covering of rotting vegetable matter spread to reduce evaporation and soil erosionVerb1. mulch, coverusage: cover with mulch; "mulch the flowerbeds"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: mulch (Dictionary) Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index