This is an aboriginal word with several meanings:
“native shield” (Sydney J. Endicott, “Aust. Aboriginal Words & Place Names & their Meanings” 1924. Reprinted 1990);
“ghost, evil spirit, white person, white devil” (Aust. Aboriginal Words of
Australia. A.W. Reed 1965. Reprinted 1994).
[There is no mention of this aboriginal word in “Macquarie Aboriginal Words” Macquarie University Library Publication 1994. Ed.]