D defs.my
Entry 2 senses Webster, 1913

Arcuation

· Arc·u·a·tion · IPA
01 n. The act of bending or curving; incurvation; the state of being bent; crookedness.
  1. 1.
    The act of bending or curving; incurvation; the state of being bent; crookedness.
  2. 2.
    A mode of propagating trees by bending branches to the ground, and covering the small shoots with earth; layering.(Hort.)