Definition of "pozzy"

‘Could you pinch a tin of pozzy out of stores?’

1929, Frederic Manning, The Middle Parts of Fortune, Vintage, published 2014, page 136

The Turco used to say: 'Tommy, give Johnny pozzy,' and a tin of plum and apple jam used to be given him.

1929 November, Robert Graves, chapter XVII, in Good-bye to All That: An Autobiography, London: Jonathan Cape […], page 237

[…] and Jerry O′Dwyer had shot two crows from the new sniper′s pozzy down at the creek-—and so on.

1916, various ANZAC soldiers, The Anzac Book, page 10

Brown himself, unaware even that there was an officer among his captives, picked up his rifle, went back to his “pozzy,” and dismissed the incident from his mind […]

1942, Charles Edwin Woodrow Bean, Official History of Australia in the War of 1914–1918, Volume III: The Australian Imperial Force in France, 1916, 13th(?) Edition, page 340

They had also wonderful confidence in their leaders — they knew the best pozzy would be taken up.

1975, William D. Joynt, Saving the Channel Ports, 1918, page 84

So I says to him, no, I can′t go back to the pozzy I′m sharing with Snowy Fisher and the late Pap.

1971, Herman Charles Bosman, Cold Stone Jug, page 36

Stretching his legs has been good for him, and this Pitt-street pozzy near the GPO is a splendid spot for a sandwich and a good book.

2006, Pip Wilson, Faces in the Street: Louisa and Henry Lawson and the Castlereagh Street Push, page 62