A male companion or friend with whom one has a sexual or romantic relationship. A male lover or sweetheart. See examples of beau used in a sentence.

How to use beau in a sentence. Definition of beau noun in oxford advanced learner's dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. A boyfriend 2. A boyfriend. Learn more. The meaning man who attends excessively to dress, etiquette, etc. ;

A boyfriend. Learn more. The meaning man who attends excessively to dress, etiquette, etc. ; A dandy is from 1680s, short for french beau garçon pretty boy (1660s). Plural is beaus or beaux.