(æb)  [Shortened f. ABORIGINAL (see note below).] 

    Aboriginal.
  The currency of Abo was assisted by its use in the Sydney Bulletin feature entitled ‘Aboriginality’ (first number 21 Apr. 1888): see quots. [1906-1933].
 
  [1906 Bulletin (Sydney) 5 Apr. 14/3 Can any aboliar state definitely how long sheep can do without water? Ibid. 2 Aug. 16/4 Have read the ‘Abo.'s’ on it. Ibid. 18 Oct. 17/3 Remarkable the number of ‘Abo’ writers who have been chased by snakes. 1907 Ibid. 17 Jan. 14/2 [He] says Chinese extract the gall-juice of crows for physic. All Abo-shine. 1933 Ibid. 1 Nov. 20/4 Would any Aboliar like to enter for the oldest-kangaroo stakes?] 1922 ‘TE WHARE’ Bush Cinema 38 An ‘abo’ legend attaches to the great bluff between Bermagni and Tathra. Ibid. 91 Fires were lighted, and the ‘abos’ feasted royally on fish broiled on live coals. 1933 Bulletin (Sydney) 25 Jan. 20 The idea of better housing for the abos. 1950 ‘N. SHUTE’ Town like Alice iii. 82 Black boysblack stockmen. Abos.