Meaning of “check” - Learner’s Dictionary

check

noun uk us /tʃek/
EXAMINATION [ C ]

B1 an examination of something in order to make sure that it is correct or the way it should be:

We do safety checks on all our equipment.
BANK [ C ]

US spelling of cheque (= a piece of paper printed by a bank that you use to pay for things)

RESTAURANT [ C ] US (UK bill)

a list that you are given in a restaurant showing how much your meal costs

MARK [ C ] US (UK tick)

a mark (✓) that shows that an answer is correct, or that you have dealt with something on a list

PATTERN [ C, U ]

a pattern of squares of different colours

hold/keep sth in check

to control something that could increase too quickly or become too large or powerful:

We need to keep our spending in check.
→ See also rain check

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