We join a detective sergeant who is getting married (4)

I believe the answer is:

weds

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'we join a detective sergeant who is getting married' is the definition.
I can't judge whether this definition defines the answer.

'we join a detective' is the wordplay.
'join' says to put letters next to each other.
'a detective' becomes 'ds' (detective sergeant).
'we'+'ds'='WEDS'

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(Other definitions for weds that I've seen before include "Makes match" , "Gets married" , "day?" , "Joins together" , "Marries" .)

I've seen this clue in the Evening Standard.

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