a mixture of decaying vegetation and manure; used as a fertilizer
"We added fresh compost to our garden beds last spring to help the tomatoes grow bigger."
The decayed remains of organic matter that has rotted into a natural fertilizer.
"After adding coffee grounds and old leaves to the bin, we harvested rich compost to feed our vegetable garden in the spring."
To produce compost, let organic matter decay into fertilizer.
"To produce compost, let organic matter decay into fertilizer by piling leaves and kitchen scraps in a corner of the garden."