Decussation

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Decussation \De`cus*sa"tion\, n. [L. decussatio.]
     Act of crossing at an acute angle, or state of being thus
     crossed; an intersection in the form of an X; as, the
     decussation of lines, nerves, etc.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  decussation
       n : an intersection or crossing of two tracts in the form of the
           letter X [syn: {chiasma}, {chiasm}]