Meaning of “mulch” in the English Dictionary

"mulch" in American English

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mulchnoun [ C/U ]

us /mʌltʃ/

a covering, esp. of decaying leaves, grass, or plant material, used to keep water in the earth near plants or to protect them from weeds (= unwanted plants)

(Definition of “mulch” from the Cambridge Academic Content Dictionary © Cambridge University Press)