/ məˈnjʊə(r); NAmE məˈnʊr/ noun , verb
■ noun
[ U ] the waste matter from animals that is spread over or mixed with the soil to help plants and crops grow
SYN dung
■ verb
[ vn ] to put manure on or in soil to help plants grow
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WORD ORIGIN
late Middle English (as a verb in the sense cultivate (land) ): from Anglo-Norman French mainoverer , Old French manouvrer , from medieval Latin manuoperare from Latin manus hand + operari to work. The noun sense dates from the mid 16th cent.