Meaning of “commission” - Learner’s Dictionary

commission

noun uk us /kəˈmɪʃən/
GROUP OF PEOPLE [ group ]

an official group of people who have been chosen to find out about something and say what they think should be done about it

PIECE OF WORK [ C, U ]

a piece of work such as painting, writing, or making something that is done especially for a particular person

MONEY [ C, U ]

a payment given to someone when they sell something, which is directly related to the amount they sell:

The staff receive 5% commission on everything that they sell.
Many salesmen work on commission.

(Definition of “commission noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)