Paints family in wet weather gear (7)
I believe the answer is:
oilskin
'wet weather gear' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I don't see?
'paints family' is the wordplay.
'paints' becomes 'oils' (oil is a kind of paint).
'family' becomes 'kin' (synonyms).
'oils'+'kin'='OILSKIN'
'in' is the link.
Can you help me to learn more?
(Other definitions for oilskin that I've seen before include "Waterproof fabric" , "Protective coat" , "Waterproof cloth for rain-gear" , "Raincoat" , "protection for Ainslie?" .)