Meaning of “advertise” - Learner’s Dictionary

advertise

verb uk us /ˈædvətaɪz/
TRY TO SELL [ I, T ]

B1 to tell people about a product or service, for example in newspapers or on television, in order to persuade them to buy it:

Companies are not allowed to advertise cigarettes on television any more.
ASK FOR [ I ]

B1 to put information in a newspaper or on the Internet, asking for someone or something that you need:

The university is advertising for administrative staff.
advertiser noun [ C ]

a company that advertises things

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