line-up (line-ups plural )
1 n-count A line-up is a group of people or a series of things that have been gathered together to be part of a particular event.
The programme is back for a new series with a great line-up of musicians and comedy acts.
2 n-count At a line-up, a witness to a crime tries to identify the criminal from among a line of people.
(=identity parade)
He failed to identify Graham from photographs, but later picked him out of a police line-up.