Flock of pheasants (3)
I believe the answer is:
nye
'flock of pheasants' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nye that I've seen before include "Pheasant's nest" , "- - Bevan (politics)" , "Nickname of Aneurin Bevan" , "- - Bevan (NHS pioneer)" , "Welsh boy" .)