Learner's definition of MANAGER
1 : someone who is in charge of a business, department, etc.
I'd like to speak to the manager, please.
He was promoted to manager last year.
a sales/bank/personnel manager
The team's general manager acquired five new players for the upcoming season.
2 : someone who directs the training and performance of a sports team especially US : a person who directs a baseball team 3 : someone who directs the professional career of an entertainer or athlete 4 : someone who decides how to use something