To accompany one. In informal situations, the phrase can end at "with" and convey the same meaning. I'm coming with Bill, and we should get there by 8.If I go to the mall later, do you want to come with?
come with (someone or something)
to depart in the company of someone or something; to travel with someone or a group. Come with me. We'll go to my place.Are you going to come with the tour?Are you going to come with?
come with
v.
1. To accompany someone; go along with someone: I didn't go to the mall alone—some friends came with me.
2. Regional (Chicago & Milwaukee) To accompany; go along. Used intransitively: I'm going to the store; do you want to come with?