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

 

humus

 noun
noun
BrE BrE//ˈhjuːməs//
 
; NAmE NAmE//ˈhjuːməs//
 
[uncountable] Gardening
 
jump to other results
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