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English definition of “mulch”

mulch

noun [C or U] uk   /mʌltʃ/ us  
a covering of decaying leaves that is spread over the soil in order to keep water in it or to improve itImproving fertility and pest control

mulch

verb [I or T] uk   /mʌltʃ/ us  
to put mulch on or around something: [+ adv/prep] Mulch around the base of the roses. Mulch the roses.Improving fertility and pest control
(Definition of mulch from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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