- Decaying organic matter used as fertiliser - waste product useful as a fertiliser - A mixture; a compound. - A mixture for fertilizing land; esp., a composition of
various substances (as muck, mold, lime, and stable manure) thoroughly
mingled and decomposed, as in a compost heap. - To manure with compost. - To mingle, as different fertilizing substances, in a
mass where they will decompose and form into a compost.