Crossword Genius

Notice caps raised (4)

Ross

I believe the answer is:

spot

'notice' is the definition.
(spot can mean to notice or observe)

'caps raised' is the wordplay.
'caps' becomes 'tops' ('top' can be a synonym of 'cap').
'raised' is a reversal indicator (going up in a down clue).
'tops' backwards is 'SPOT'.

(Other definitions for spot that I've seen before include "jam > stain" , "Observe - locality" , "Fix" , "Informally, catch sight of" , "Notice - fictional puppy" .)

I've seen this clue in The Times.
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