/ Dictionary / Index H homozygous: Meaning and Definition of Find definitions for: ho•mo•zy•gous Pronunciation: (hō"mu-zī'gus, hom"u-), [key] — adj. Biol. having identical pairs of genes for any given pair of hereditary characteristics. of or pertaining to a homozygote. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: homozygous (Thesaurus) homozygote Homs Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language