Artificial intelligent assistant

xiphocostal

xiphocostal, a. Anat.
  (zɪfəʊˈkɒstəl)
  [f. Gr. ξίϕος sword + costal.]
  Pertaining to or connected with the xiphoid cartilage and the ribs.

1899 in Syd. Soc. Lex.


Oxford English Dictionary

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