Any of the numerous species of gallinaceous birds of the family Tetraonidæ, and subfamily Tetraoninæ, 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.
- Any of various plump, chickenlike game birds of the family Tetraonidae, chiefly of the Northern Hemisphere and having mottled brown or grayish plumage.
- To complain; grumble.
- A cause for complaint; a grievance.