Artificial intelligent assistant

triple-headed

triple-headed, a.
  Having three heads; three-headed.

1581 A. Hall Iliad v. 87 Iuno..stricken so did stand By triple headed sheering shafte, ysent by Herculs hand. 1605 Drayton Pastorals iv. 30 Such monster-tamers..As haue tyde vp the triple-headed hound. a 1658 Cleveland Wks. (1677) 94 The Tripleheaded Turn-key of Heaven with the Tripleheaded Porter of Hell. 1775 Adair Amer. Ind. 29 Proserpine and Cerberus were triple-headed. 1847 Ld. Lindsay Chr. Art I. 84 The triple-headed, bat-winged, horned and hoofed monster of the later middle ages.

Oxford English Dictionary

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