It was possibly belted (5)

I believe the answer is:

waist

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'it was possibly belted' is the definition.
The definition suggests a singular noun which matches the answer.

'it was possibly' is the wordplay.
'possibly' indicates anagramming the letters.
'it'+'was'='itwas'
'itwas' with letters rearranged gives 'WAIST'.

Can you help me to learn more?

(Other definitions for waist that I've seen before include "Spare tyre location?" , "Central part of body" , "Narrow part of body" , "Part of the trunk" , "Middle of trunk" .)

I've seen this clue in the Evening Standard.

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