Meaning of “reward” - Learner’s Dictionary

reward

noun uk us /rɪˈwɔːd/
GOOD WORK [ C, U ]

B1 something good that you get or experience because you have worked hard, behaved well, etc:

There'll be a reward for whoever finishes first.
MONEY [ C ]

B1 money that the police give to someone who gives them information about a crime

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