Crossword Genius

Abandoned garage isn’t a place soldiers may gather (7,4)

Ross

I believe the answer is:

staging area

I'm a little stuck... Click here to teach me more about this clue!

'place soldiers may gather' is the definition.
I can't judge whether this defines the answer.

'abandoned garage isn't a' is the wordplay.
'abandoned' indicates anagramming the letters (the original order is abandoned).
'garage'+'isnt'='garageisnt'
'garageisnt' anagrammed gives 'stagingare'.
'stagingare'+'a'='STAGING AREA'

Can you help me to learn more?

(Other definitions for staging area that I've seen before include "Stopping place en route to destination" , "place to break journey" , "Assembly point en route to a destination" , "place for getting men together" .)

I've seen this clue in The Times.
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