[1] : The Collaborative International Dictionary of English v.0.48

grouse \grouse\, v. i.
   1. to seek or shoot grouse.
      1913 webster

   2. to complain or grumble; as, employees grousing about their
      incompetent boss. informal
      pjc

[2] : The Collaborative International Dictionary of English v.0.48

grouse \grouse\ grous, n. sing.  pl. prob. after the analogy
   of mouse, mice, fr. the earlier grice, of. griesche meor hen:
   cf. f. piegri`eche shrike. zool.
   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.
   1913 webster

   note: among the european species are the red grouse lagopus
         scoticus and the hazel grouse bonasa betulina.
         see capercaidzie, ptarmigan, and heath grouse.
         among the most important american species are the
         ruffed grouse, or new england partridge bonasa
         umbellus; the sharp-tailed grouse pediocaetes
         phasianellus of the west; the dusky blue, or pine
         grouse dendragapus obscurus of the rocky mountains;
         the canada grouse, or spruce partridge d.
         canadensis. see also prairie hen, and sage cock.
         the old world sand grouse pterocles, etc. belong to
         a very different family. see pterocletes, and sand
         grouse.
         1913 webster
see also:
tetraonidae tetraoninae lagopus lagopus scoticus bonasa betulina capercaidzie 
ptarmigan heath grouse bonasa umbellus pediocaetes phasianellus dendragapus obscurus 
d. canadensis prairie hen sage cock pterocles pterocletes 
sand grouse 

[3] : WordNet (r) 2.0

grouse
     n 1: flesh of any of various grouse of the family tetraonidae;
          usually roasted; flesh too dry to broil
     2: popular game bird having a plump body and feathered legs and
        feet
     v 1: hunt grouse
     2: complain; "what was he hollering about?" syn: gripe, crab,
         beef, squawk, bellyache, holler
see also:
gripe crab beef squawk bellyache holler 

[4] : Moby Thesaurus II by Grady Ward, 1.0

85 moby thesaurus words for "grouse":
   cornish hen, air a grievance, beef, beefing, bellyache,
   bellyaching, bitch, bitching, broiler, caille, canard, caneton,
   capon, chapon, chicken, clamor, complain, complaining, complaint,
   crab, croak, destructive criticism, dindon, dissent, duck,
   duckling, faisan, faultfinding, fowl, fret, fret and fume, fryer,
   fuss, goose, grievance, gripe, griping, groan, groaning, grouch,
   grousing, growl, grumble, grumbling, grunt, guinea hen, holler,
   howl, kick, kicking, lodge a complaint, murmur, murmuring, mutter,
   oie, partridge, peeve, peevishness, pet peeve, petulance, pheasant,
   pigeon, pigeonneau, poulet, protest, quail, querulousness,
   raise a howl, register a complaint, roaster, scold, scolding,
   sniping, squab, squawk, squawking, stewing chicken, take on,
   turkey, volaille, whining, wild duck, yap, yapping, yelp

Grouse >> G Words
Grouse, definition of term: Grouse
grouse_pag1.html

Ruffed Grouse >> R Words
Ruffed Grouse, definition of term: Ruffed Grouse
ruffed+grouse_pag1.html