Rainy part of Crewe terminus (3)

I believe the answer is:

wet

'rainy' is the definition.
('wet' can be similar in meaning to 'rainy')

'part of crewe terminus' is the wordplay.
'part of' says the answer is hidden in the clue.
'WET' is hidden in the letters of 'crewe terminus'.

(Other definitions for wet that I've seen before include "Saturated with liquid" , "Rainy; feeble person" , "Damp" , "Soaked with liquid" , "Saturated; rainy" .)

I've seen this clue in the Evening Standard.

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