Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A crossing in the shape of an X.
  • n. Anatomy An X-shaped crossing, especially of nerves or bands of nerve fibers, connecting corresponding parts on opposite sides of the brain or spinal cord.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

  • n. Act of crossing at an acute angle, or state of being thus crossed; an intersection in the form of an X

from The Century Dictionary and Cyclopedia

  • n. The act of crossing or intersecting; an intersection; the crossing of two lines, rays, fibers of nerves, etc.
  • n. The state of being decussated, or that which decussates; a chiasm.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an intersection or crossing of two tracts in the form of the letter X

Etymologies

From Latin decussationem, from decussare. (Wiktionary)

Examples

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