to go with a person or vehicle, especially to make certain that he, she, or it leaves or arrives safely:

to go with someone and show them a place:

formal to go to a social event with someone, especially a person of the opposite sex:

[ C ] a person who goes with another person as a partner to a social event:

[ C ] someone who is paid to go out to social events with another person, and sometimes to have sex:

[ C ] a person or vehicle that goes somewhere with someone to protect or guard them:

[ U ] the state of having someone with you who gives you protection or guards you: