/ Dictionary / Index C compost: Meaning and Definition of Find definitions for: com•post Pronunciation: (kom'pōst), [key] — n. a mixture of various decaying organic substances, as dead leaves or manure, used for fertilizing soil. a composition; compound. —v.t. to use in compost; make compost of: to compost manure and kitchen scraps. to apply compost to (soil). —v.i. to make compost: Shredded leaves will compost easily. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: compost (Thesaurus) compossible composure Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language