/ Dictionary / Index B beau: Meaning and Definition of Find definitions for: beau Pronunciation: (bō), [key] — n., pl. v. beaus, beaux —n. a frequent and attentive male companion. a male escort for a girl or woman. a dandy; fop. —v.t. to escort (a girl or woman), as to a social gathering. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: beau (Thesaurus) beat-up Beau Brummell Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language