1. a woman’s boyfriend or male romantic partner
Usage: somewhat old-fashioned
2. a man who is very concerned with his appearance and clothing
Usage: dated

Examples

• She introduced her new beau to her parents at dinner.
• The young woman’s beau brought her flowers every Friday.
• He was quite the beau, always impeccably dressed for every occasion.
• Her grandmother still refers to boyfriends as beaux.
• The southern belle arrived at the ball with her handsome beau.
• In the 1800s, a proper beau would court a lady with great formality.