Somewhat up-market animal? (3)
I believe the answer is:
ram
'animal?' is the definition.
(male sheep)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for ram that I've seen before include "Deliberately collide with" , "Aggressive sheep?" , "The constellation Aries" , "man with many partners?" , "Computers need it to operate" .)