/ Dictionary / Index H humus: Meaning and Definition of Find definitions for: hu•mus Pronunciation: (hy'mus or, often, y'-), [key] — n. the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: humus (Thesaurus) humungous Humvee Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language