/ Dictionary / Index B baby beef: Meaning and Definition of Find definitions for: ba'by beef' Pronunciation: [key] a young beef animal that has been fattened for marketing when 12 to 20 months old. the meat of a baby beef. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baby Baby Bell Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language