beau
n. countable C2 Proficiency US //ˈboʊ// UK //bˈəʊ// beau
n. a boyfriend or a man who is interested in a woman. It is an old-fashioned word that people do not use very often today.
n. a male suitor or admirer; a boyfriend. Often carries a literary or archaic tone in modern English.
She introduced her new beau to the family at dinner.
In the classic novel, the young woman spent the summer waiting for a letter from her handsome beau.
The protagonist's mother was constantly inquiring after her daughter's latest beau, hoping for a match that would secure the family's social standing.
Shortened from surname type given names such as Beauregard or Beaumont, or from the French word beau.
Usage
The plural form can be spelled either 'beaus' or 'beaux'.