/ Dictionary / Index B boarder: Meaning and Definition of Find definitions for: board•er Pronunciation: (bôr'dur, bōr'-), [key] — n. a person, esp. a lodger, who is supplied with regular meals. a member of a boarding party. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boarder (Thesaurus) board check boarder baby 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