decussate

/dɪˈkʌseɪt/
verb
  1. To cross or intersect, especially in the form of an X.
    • In the brain, nerve fibers often decussate, meaning they cross from one side to the other.
    • The two paths decussate in the middle of the garden, creating a clear crossroads.
    • The branches of the tree decussate as they grow, forming a pattern of crossing limbs.
adjective
  1. Arranged in opposite pairs, each pair at right angles to the previous one; crossed or intersecting like an X.
    • The leaves on this plant are decussate, with each pair growing at a right angle to the one below.
    • The artist used a decussate pattern in the mosaic, with tiles crossing to form a diamond design.
    • In architecture, decussate arches can be seen in some old cathedrals, where ribs cross each other.
Antonyms
What does "decussate" mean? | whatsthatwordmean | whatsthatwordmean