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role

 
 
/rəʊl/ noun [C]

Definition

PURPOSE the job someone or something has in a particular situation: This part of the brain plays an important role in learning.
PLAY/FILM a part in a play or film: In his latest film, he plays the role of a violent gangster. → See also title role
(Definition of role noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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