Shooting brake (5-4)

I believe the answer is:

cease-fire

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'shooting brake' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

This is the entire clue.

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(Other definitions for cease-fire that I've seen before include "Temporary halt in fighting" , "A truce arrived at in fierce sea" , "Signal to stop shooting guns in war, truce" , "Temporary break in war" , "Armistice" .)

I've seen this clue in the Evening Standard.

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