Artificial intelligent assistant

woomerang

woomerang Austral.
  (ˈwuːməræŋ)
  Also wom-.
  [Native name (wo-mur-rāng in D. Collins N.S. Wales, 1798, I. 613).]
  A missile club used by Australian aboriginals. = throwing-stick b.

1849 J. C. Prichard Ethnol. in Man. Sci. Enquiry 433 The ancient Gauls were known by their gæsa or javelins... The Australians by their woomerangs or throwing-sticks. 1864 J. Rogers New Rush ii. 46 Next—high in air the womerang-spear he flings.

Oxford English Dictionary

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