Decussation

//dɛkʌˈseɪʃən// noun

Definitions

Noun
  1. 1
    A crossing or intersection of lines etc. so as to form an X-shape.

    "[…] which being doubled at the angle, makes up the Letter χ, that is the Emphaticall decussation, or fundamentall figure."

  2. 2
    an intersection or crossing of two tracts in the form of the letter X wordnet

Etymology

From Latin decussationem, from decussare.

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