Meaning of “employ” - Learner’s Dictionary

employ

verb [ T ] us uk /ɪmˈplɔɪ/
There is a growing tendency for companies to employ people on short contracts.At one time, the company employed over a thousand workers.He employed a private detective to follow his wife.She was employed as a cook for many years.She is employed by a large European electronics company.
WORK

B1 If a person or company employs someone, they pay that person to work for them:

The company employs 2500 staff.
[ + to do sth ] They employ her to look after their children.
USE formal

to use something:

Companies employ clever tactics to persuade us to buy their products.

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