Third-person singular simple present indicative form of mulch.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "mulches" in a sentence
"Chemical fertilizers/pesticides/herbicides facilitate farm operations despite the greater benefits attributable to use of natural treatments such as mulches and manure."
"And according to Heath Ashenfelter, True Value's Global Product Merchant, red mulch, indeed colored mulches of all kinds, are on the march."
"I am a compost heap, and everything I interact with, every experience I've had, gets shoveled onto the heap where it eventually mulches down, is digested and excreted by worms, and rots."