vi to complain or grumble.
2. grouse ·vi to seek or shoot grouse.
3. grouse ·noun ·sg & ·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.