Bull ring? (5)
I believe the answer is:
inner
This clue could be a double definition.
'bull' is the first definition.
Both the answer and definition are adjectives. Perhaps you can see a link between them that I don't see?
'ring?' is the second definition.
(I've seen this before)
Can you help me to learn more?
(Other definitions for inner that I've seen before include "More secret, private" , "red" , "Located inside" , "Nearer to the centre, deeper" , "(Of thoughts) intimate - (of circles) privileged" .)