Crossword Genius

Coin in slot? (6)

Ross

I believe the answer is:

invent

'coin' is the definition.
(I know this)

'in slot?' is the wordplay.
'slot?' becomes 'vent' (slot can mean a vent or opening).
'in'+'vent'='INVENT'

(Other definitions for invent that I've seen before include "Originate" , "Conceive" , "Devise (something new)" , "Make up (something false)" , "Be the first person to make something" .)

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