Crossword Genius

Dressed and waiting for you (5,2)

Ross

I believe the answer is:

lined up

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'dressed' is the definition.
('line up' can be a synonym of 'dress')

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for lined up that I've seen before include "In a row" , "Arranged" .)

I've seen this clue in the Evening Standard.
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