This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. 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.

v. To cover or surround with mulch.

n. Shredded vegetable (or occasionally mineral) matter used to cover the top layer of soil to protect, insulate, or decorate it, or to discourage weeds or retain moisture.

n. A material used as mulch, as a decorative redwood bark mulch.

v. To apply mulch.

v. To turn into mulch.

n. Half-rotten straw, or any similar light, porous, organic substance strewn on the ground, as over the roots of plants, to protect from heat, drought, etc., and to hinder weed growth and preserve moisture.

v. To cover or dress with mulch.

See mulsh.

v. cover with mulch

n. a protective covering of rotting vegetable matter spread to reduce evaporation and soil erosion

"The rubber mulch is far better than the grass in the ground."

mulched    mulches    mulching   

cover    protection    protective cover    protective covering   

humus    compost   

mulched    mulching    mulch depth    inorganic mulch    organic mulch    mulching mower   

covert   

gulch   

compost    sawdust    fertilizer    loam    manure    mold    insecticide    guano    shaving    sludge