Sheep providing tufty wool (5)
I believe the answer is:
flock
'sheep' is the definition.
(a group of sheep)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for flock that I've seen before include "Group of sheep or birds" , "A number of sheep" , "Raised-pattern (wallpaper)" , "A company of sheep" , "Bevy" .)