| Compost 1. (n.) A mixture; a compound. 2. (n.) 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. 3. (v. t.) To manure with compost. 4. (v. t.) To mingle, as different fertilizing substances, in a mass where they will decompose and form into a compost. Thesaurus Entries admixture, ammonia, castor-bean meal, commercial fertilizer, commixture, composite, compound, dressing, dung, enrichener, fertilizer, fusion, guano, immixture, interfusion, intermixture, manure, mix, muck, night soil, nitrate, nitrogen, organic fertilizer, phosphate, superphosphate |