/ Dictionary / Index B birth canal: Meaning and Definition of Find definitions for: birth' canal" Pronunciation: [key] the passage through which the young of mammals pass during birth, formed by the cervix, vagina, and vulva. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. birth birth certificate Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language