line up

Short definition from Wiktionary

Verb

1. 1
   To align; to put in alignment; to put in correct adjustment for smooth running.
2. 2
   To put things in a line.
3. 3
   To get into a line; especially, so as to wait one's turn.
4. 4
   To start a game in a certain position on the playing field.
5. 5
   To make arrangements for an event.
6. 6
   To support a group or movement.
7. 7
   To agree or correspond.
8. 8
   To have switches set so the train is capable of moving along its correct route.

Noun

1. 1
   Nonstandard spelling of lineup.
2. 2
   A haircut where the front region of a person's hair is shaved to form a crisp line between their hair and the shaved region, sometimes coordinated to create a smooth transition between their hair and beard.
3. 3
   Alternative spelling of lineup.