Plastic or gilt setting for dog (5)
I believe the answer is:
corgi
'for dog' is the definition.
(corgi is a kind of dog)
'plastic or gilt' is the wordplay.
'CORGI' is hidden within the letters.
However, I'm uncertain how the hidden word is indicated.
'setting' is the link.
Can you help me to learn more?
(Other definitions for corgi that I've seen before include "Dog popular with British royals" , "Small Welsh dog with fox-like head" , "Welsh breed of short-legged dog" , "Dog at Buckingham Palace" , "Barker?" .)