to stand in a line or row; to form a queue

to arrange people or things in a straight line or row

The suspects were lined up against the wall.

He lined the bottles up along the shelf.

to arrange for an event or activity to happen, or arrange for somebody to be available to do something

Mark had a job lined up when he left college.

I've got a lot lined up this week .

She's lined up a live band for the party.

to move one thing into a correct position in relation to another thing

To get good TV reception, the dish must be accurately lined up with the satellite.

LEARNit Dictionary

line up