Crossword Genius

Ostentatious moment (5)

Ross

I believe the answer is:

flash

I believe this clue is a double definition.

'ostentatious' is the first definition.
(I've seen this before)

'moment' is the second definition.
(I know that flash is a type of moment)

(Other definitions for flash that I've seen before include "short space of time" , "Scintillate" , "emblem on uniform" , "Ostentatious" , "Camera fitment" .)

I've seen this clue in The Telegraph.
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