beau beau /ˈboʊ/

noun

1. () [Archaic] A man who is the lover of a man or woman  ( boyfriend , fellow , swain [Archaic] , beau [Archaic] , boyf [Informal, British] )
   a man who is the lover of a man or woman
    If I'd known he was her boyfriend I wouldn't have asked
   if I'd known he was her boyfriend I wouldn't have asked
    When the law changed, Pet could finally married his long-time boyfriend Jim
   When the law changed, Pet could finally married his long-time boyfriend Jim
   
2. [Archaic] A man who is much concerned with his dress and appearance  ( beau [Archaic] , clotheshorse [Informal] , dandy , dude [Informal] , fashion plate , fop , gallant [Archaic] , sheik , swell [Informal] )
   a man who is much concerned with his dress and appearance