/ Dictionary / Index B birth name: Meaning and Definition of Find definitions for: birth' name" Pronunciation: [key] the surname given a person at birth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. birthmark birthnight Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language