Where the horse can stop running? (5)

I believe the answer is:

stall

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'stop running' is the definition.
(I've seen this before)

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

(Other definitions for stall that I've seen before include "A stand in a market-place" , "Part of the stable" , "Seat - prevaricate" , "Stable compartment" , "Section of a stable and theatre" .)

I've seen this clue in the Evening Standard.

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