1. [US, informal] An informal form of address for a man
   "Say, bro, what are you doing?";
   - fellow, dude [informal], buster [informal], matey [Brit, informal], cock [Brit, informal], bruv [UK, informal], bo [US, informal]
    
2. Brother
   "Hey bro, can you help me move this weekend?";
   - bubba [US, informal]

Derived forms: bros

Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], man, sod [informal]

Encyclopedia: Bro, Sarah