/ Dictionary / Index B baby boomer: Meaning and Definition of Find definitions for: ba'by boom"er Pronunciation: [key] a person born during a baby boom, esp. one born in the U.S. between 1946 and 1965. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baby boom baby bust Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language