/ Dictionary / Index B boarder baby: Meaning and Definition of Find definitions for: board'er ba"by Pronunciation: [key] an infant or young child who is abandoned or orphaned and left in a hospital for lack of a foster home. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boarder board foot Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language