/ Dictionary / Index I incross: Meaning and Definition of Find definitions for: in•cross Pronunciation: (in'krôs", -kros"), [key] — n. Genetics. a mating between organisms that are both homozygous for the same allele. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. incriminate incrossbred Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language