Definition of "grouse"

Among fowls for the table [of King Henry VIII] are crocards, winders, runners, grows, and peions, but neither Turky or Guiney-fowl.

1531 January, “XXI. Extracts from a MS. Dated ‘apud Eltham, mense Jan. 22 Hen. VIII.’ Communicated to the Society by Owen Salusbury Brereton, Esq; Read at the Society of Antiquaries, April 9, 1772.”, in Archaeologia: Or, Miscellaneous Tracts Relating to Antiquity, volume III, London: […] Society [of Antiquaries of London]; and by Messieurs Whiston, White, Robson, Baker and Leigh, and Brown, published 1775, page 157

Looke to 't, young growſe: Ile lay it on, and ſure; / Take 't off who's wull.Used as an insult.

1633 (first performance), Benjamin Jonson [i.e., Ben Jonson], “A Tale of a Tub. A Comedy […]”, in The Workes of Benjamin Jonson. The Second Volume. […] (Second Folio), London: […] Richard Meighen, published 1640, Act II, scene i, page 70

If you're cast for fatigue by a sergeant unkind,Don't grouse like a woman, nor crack on, nor blind;Be handy and civil, and then you will findThat it's beer for the young British soldier.

1890, Kipling, The Young British Soldier

Grouse away!" he growled. "If grousin' made a man happy, you'd be the champion."

1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019

Real grouse birthday this. First time he's had a party.

1965, Mudrooroo, Wild Cat Falling, HarperCollins, published 2001, page 99

They were the grousest ladies she′d ever met.

1991, Tim Winton, Cloudstreet, Scribner Paperback Fiction, published 2002, page 182

Not a question but the gag of Mulder pissing on the ID4 poster was grouse.

1998 July 23, Stujo, “SPOILER FTF - questions”, in aus.tv.x-files‎ (Usenet)

I know, but I moved from riding bikes to flying and it is a great move. All riders without a fear of heights I know that flew with me thought it was grouse- and there are no coppers or speed limits up there.

2003 October 4, Leeroy, “FS Ultralight Aircraft”, in aus.motorcycles‎ (Usenet)