(1):
(n. sing. & pl.) Any of the numerous species of gallinaceous birds of the family Tetraonidae, and subfamily Tetraoninae, inhabiting Europe, Asia, and North America. They have plump bodies, strong, well-feathered legs, and usually mottled plumage. The group includes the ptarmigans (Lagopus), having feathered feet.
(2):
(v. i.) To complain or grumble.
(3):
(v. i.) To seek or shoot grouse.