role role /ˈroʊl/

noun

1. () The actions and activities assigned to or required or expected of a person or group  ( office , function , part , role )
   the actions and activities assigned to or required or expected of a person or group
    The function of a teacher
   the function of a teacher
    The government must do its part
   the government must do its part
    Play its role
   play its role
   
2. () An actor's portrayal of someone in a play  ( theatrical role , persona , character , part , role )
   an actor's portrayal of someone in a play
    She played the part of Desdemona
   she played the part of Desdemona
   
3. () What something is used for  ( role , use , function , purpose )
   what something is used for
    The function of an auger is to bore holes
   the function of an auger is to bore holes
    Ballet is beautiful but what use is it?
   ballet is beautiful but what use is it?
   
4. () Normal or customary activity of a person in a particular social setting  ( role )
   normal or customary activity of a person in a particular social setting
    What is your role on the team?
   what is your role on the team?