[grous] 
| 1. | any of numerous gallinaceous birds of the subfamily Tetraoninae. Compare black grouse, capercaillie, ruffed grouse, spruce grouse. |
| 2. | British. the red grouse. |
[grous] verb, groused, grous⋅ing, noun Informal.| 1. | to grumble; complain: I've never met anyone who grouses so much about his work. |
| 2. | a complaint. |
[grous] | excellent; great; wonderful. |
| grouse 1 (grous) n. pl. grouse or grous·es Any of various plump, chickenlike game birds of the family Tetraonidae, chiefly of the Northern Hemisphere and having mottled brown or grayish plumage. [Origin unknown.] |
| grouse 2 (grous) intr.v. groused, grous·ing, grous·es To complain; grumble. n. A cause for complaint; a grievance. [Perhaps from French dialectal groucer, from Old French grouchier; see grudge.] grous'er n. |