Crossword Genius

Lines (up) (6)

Ross

I believe the answer is:

queues

'lines up' is the definition.
('queue' can be a synonym of 'line up')

This is all the clue.

(Other definitions for queues that I've seen before include "Lines of waiting people or vehicles" , "Lines of waiters" , "Waits in line" , "lots of waiters" , "Line of waiting people or vehicles" .)

I've seen this clue in The Telegraph, The New York Times and the Sydney Morning Herald.
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