Article of clothing in which one might put ones money (4)
I believe the answer is:
vest
'article of clothing' is the definition.
'vest' can be an answer for 'clothing' (vest is a kind of clothing). I'm not certain of the 'article of' bit.
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for vest that I've seen before include "Top" , "Garment under a shirt" , "Undergarment to put in right of possession" , "American version of waistcoat" , "An American man's waistcoat" .)