|Origin:||escorte, from Italian scorgere 'to guide', from Latin corrigere; CORRECT1|
a person or a group of people or vehicles that go with someone in order to protect or guard them:
He was driven away to prison under armed escort (=protected or guarded by an escort).
someone who goes with someone to a formal social event
someone who is paid to go out with someone socially:
an escort agency
4 American English
a prostitute, especially one who goes to social events or on trips with the person who pays them