GROUSE

I. noun (plural ~ or ~s) Etymology: origin unknown Date: 1531 any of various chiefly ground-dwelling birds (family Tetraonidae) that are usually of reddish-brown or other protective color and have feathered legs and that include many important game birds, II. intransitive verb (~d; grousing) Etymology: origin unknown Date: 1887 complain , grumble , ~r noun III. noun Date: 1918 complaint