Definitions
1.nounA physical or photographic queue of people allegedly involved in a crime, allowing a witness to identify them
2.nounA line of people or vehicles, in which the individual at the front end is dealt with first, the one behind is dealt with next, and so on, and in which newcomers join at the end; a queue.
3.nounCollectively, the members of a team."The manager fielded his strongest lineup for the game against United."
4.nounThe batting order.
5.nounThe members of a music group at any one time.
6.nounThe acts performing at a concert or music festival.