- (engineering) to put in alignment; to put in correct adjustment for smooth running
- (transitive) To put things in a line
- (intransitive) To get into a line
- (intransitive, sports) To start a game in a certain position on the playing field.
2011 February 6, Alistair Magowan, “West Ham 0 - 1 Birmingham”, in BBC:
- The Nigerian forward lined up on the left of a front three with Keane in the middle and Frederic Piquionne on the right, and it was from Keane's lay-off that the former Portsmouth striker curled a shot straight at Ben Foster on 20 minutes.
- To make arrangements for an event.
- A number of famous actors and musicians have been lined up for the celebrations.
- To support a group or movement.
2012 April 23, Angelique Chrisafis, “François Hollande on top but far right scores record result in French election”, in the Guardian:
- The final vote between Hollande and Sarkozy now depends on a delicate balance of how France's total of rightwing and leftwing voters line up.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for line up in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)