Item of crockery has a taste (6)
I believe the answer is:
palate
'taste' is the definition.
(palate can mean an ability to distinguish tastes)
'item of crockery has a' is the wordplay.
'item of crockery' becomes 'plate' (I've seen this before).
'has' is an insertion indicator.
'plate' going around 'a' is 'PALATE'.
(Other definitions for palate that I've seen before include "part of trap" , "Roof of the mouth, seat of taste" , "A plate (anag.)" , "Sense of taste at roof of mouth" , "Liking" .)