{ Line"-up`, Line"up` } (?), n. The formation of football players before the start or a restart of play; hence (Colloq.), any arrangement of persons (rarely, of things), esp. when having a common purpose or sentiment; as, the line-up at a ticket-office window; the line-up of political factions.

{ Line"-up`, Line"up` } (?), n. The formation of football players before the start or a restart of play; hence (Colloq.), any arrangement of persons (rarely, of things), esp. when having a common purpose or sentiment; as, the line-up at a ticket-office window; the line-up of political factions.

• (law) a physical or photographic queue of people allegedly involved in a crime
  
• (engineering) to put in alignment; to put in correct adjustment for smooth running