/ Dictionary / Index C crossbirth: Meaning and Definition of Find definitions for: cross•birth Pronunciation: (krôs'bûrth", kros'-), [key] — n. Obstet. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crossbill crossbolt lock Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language