Edge inside bunker briefly (4)

I believe the answer is:

kerb

'edge' is the definition.
(I know that kerb is a type of edge)

'inside bunker briefly' is the wordplay.
'inside' indicates a hidden word.
'KERB' is hidden within 'bunker briefly'.

(Other definitions for kerb that I've seen before include "Edge of road" , "Stone edging to footpath" , "Side of road" , "Pancakes" , "stone by the way" .)

I've seen this clue in The Sun and The Times.

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