How to use beau in a sentence. A male lover or sweetheart. See examples of beau used in a sentence. From middle english beau, beu, bew, bewe, from old french beau, from latin bellus (“beautiful”) Doublet of bello and boo. Get a quick, free translation
A male lover, sweetheart, or escort 2 A man who is greatly concerned with his clothes and appearance A girl's or woman's sweetheart Meanings, etymology, pronunciation and more in the oxford english dictionary Definition of beau noun in oxford advanced learner's dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.