mulch.
Any material used to cover the top layer of soil to protect, insulate, or decorate it, or to discourage weeds or retain moisture.
Meaning & usage
Any material used to cover the top layer of soil to protect, insulate, or decorate it, or to discourage weeds or retain moisture.
An organic mulch is a mulch made of natural substances such as leaves or grass clippings.
Where this word comes from
Probably from Middle English melsche, molsh (“soft”), from Old English melsċ, milisċ (“mellow; mild; sweet”, literally “honeyed”), probably from Proto-Germanic *mili (“honey”). Compare Icelandic milska (“a honeyed beverage”).
To apply mulch.
Mulch your vegetable garden to retain moisture and keep weeds down.
To turn into mulch.
I decided to mulch the grass clippings.
Where this word comes from
Probably from Middle English melsche, molsh (“soft”), from Old English melsċ, milisċ (“mellow; mild; sweet”, literally “honeyed”), probably from Proto-Germanic *mili (“honey”). Compare Icelandic milska (“a honeyed beverage”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.