Pottery shop introducing contemporary note (9)
I believe the answer is:
stoneware
'pottery' is the definition.
(I know this)
'shop introducing contemporary note' is the wordplay.
'shop' becomes 'store' (synonyms).
'introducing' indicates putting letters inside (some letters introduced or inserted into others).
'contemporary' becomes 'new' (I've seen this before).
'note' becomes 'a' (musical note).
'new'+'a'='newa'
'store' going around 'newa' is 'STONEWARE'.
(Other definitions for stoneware that I've seen before include "Type of pottery" , "collection of pottery" .)