Definition of humus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈhjuːməs//
; NAmE NAmE//ˈhjuːməs//
[uncountable] Gardening
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a substance made from dead leaves and plants, added to soil to help plants grow See related entries: Gardening Word Origin late 18th cent.: from Latin, ‘soil’.
See the Oxford Advanced American Dictionary entry: humus