Mulch

(66), n. [Allied to mull, 3. Cf. Prov. Ger. mulsch, molsch, rotten, soft, mellow, as fruit.] Half-rotten straw, or any like substance strewn on the ground, as over the roots of a tree, to protect from heat or cold, to keep moist, &c.

[imp. & p. p. MULCHED (mŭlcht); p. pr. & vb. n. MULCHING.] To furnish with, or protect with, mulch.