Artificial intelligent assistant

rotundious

roˈtundious, a. Obs. rare.
  [See rotund a. and -ious.]
  Rounded, spherical.

1630 J. Taylor (Water P.) Wks. ii. 70 So your rare wit..Lyes in the caue of your rotundious skull. Ibid. 169/2 Till Tytans glory the rotundious Globe with splendor filles.

Oxford English Dictionary

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