Artificial intelligent assistant

cross-corner

ˈcross-ˈcorner
  [cross a.]
  The corner of a quadrilateral diagonally opposite to another. at cross-corners with: fig. directly opposite or contrary to. Hence (nonce-wd.) cross-ˈcornerness.

1809–12 M. Edgeworth Absentee ix, Set the sea-cale at this corner, and put down the grass cross-corners. 1892 Mrs. E. Lynn Linton in New Review Feb. 225 Private idiosyncrasies which..place them at cross-corners with the rest of their race. 1884 Illustr. Lond. News 10 May 442/2 Pondering..on the cross-cornerness of things in general.

Oxford English Dictionary

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