Crossword Genius

Change the lid or the pedestal of that vase (4)

Ross

I believe the answer is:

turn

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'change the lid or the pedestal of that vase' is the definition.
'turn' can be an answer for 'change' (turn is a kind of change). I'm unsure of the remainder of the definition.

'that vase' is the wordplay.
'that' becomes 't' (this might be a standard abbreviation of which I'm unaware).
'vase' becomes 'urn' (both can mean a container).
't'+'urn'='TURN'

Can you help me to learn more?

(Other definitions for turn that I've seen before include "Rotate for a performer's act" , "Revolution by runt" , "rotation" , "Rotate - diverge - change" , "Sour" .)

I've seen this clue in The Guardian.
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