1. (baseball) a list of batters in the order in which they will bat
   - batting order, card 
2. A line of persons arranged by police for inspection or identification

1. Form a line
   "The buildings all line up neatly" 
2. Get something or somebody for a specific purpose
   - get hold, come up, find 
3. Form a queue, form a line, stand in line
   "Customers lined up in front of the store"
   - queue up, queue 
4. Place in a line or arrange so as to be parallel or straight
   - align, aline [non-standard], adjust 
5. Arrange in ranks
   - dress 
6. Take one's position before a kick-off

Derived forms: lines up, lineups, lined up, lining up

Type of: acquire, arrange, get, line, play, position, reorient, roll, roster, set up, stand, stand up

Encyclopedia: Line up

• on purpose
• on request
• on tap
• on tenterhooks
• on that
• on that point
• on the average
• on the ball
• on the button
• on the coattails
• on the contrary
• on the dot
• on the face of it
• on the fence
• on the fly
• on the go
• on the hook
• on the house
• on the level
• on the line
• on the loose
• on the mend
• on the nail
• on the nose
• on the off chance