An organic mulch is a mulch made of natural substances such as leaves or grass clippings.
Mulch your vegetable garden to retain moisture and keep weeds down.
I decided to mulch the grass clippings.
Origin of mulch
- Probably from Middle English melsche, molsh soft from Old English melsc mellow, mild mel-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- Probably from Middle English melsche, molsh (“soft"), from Old English melsc, milisc (“mellow, mild").