line-up

{ } n. 1. The members of a team who are scheduled to play a game. [ PJC ]

2. Specifically: The formation of football players before the start or a restart of play. [ PJC ]

3. Specifically: (baseball) a list of batters in the order in which they will bat. [ wns=1 ]
Syn. -- batting order, card, lineup. [ WordNet 1.5 ]

4. Hence: 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. [ Colloq. ] [ PJC ]

5. A group of persons including a suspect in a police investigation, arranged so as to be observed by a witness, who is requested to identify the perpetrator, if he/she is present in the group. Such an identification may be used as evidence of guilt of the suspect. Also called a police lineup. [ wns=2 ] [ PJC ]