A protective covering, usually of organic matter such as leaves, straw, or peat, placed around plants to prevent the evaporation of moisture, the freezing of roots, and the growth of weeds.
To cover or surround with mulch.
Leaves, straw, peat moss, etc., spread on the ground around plants to prevent evaporation of water from soil, freezing of roots, etc. and for decoration.
To apply mulch to.
(countable, agriculture) A material used as mulch, as a decorative redwood bark mulch.
(agriculture) To apply mulch.
Mulch your vegetable garden to retain moisture and keep weeds down.
(agriculture) To turn into mulch.
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