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Arcuation
Arcuation Arc`u*a"tion, n. [L. arcuatio.]
1. The act of bending or curving; incurvation; the state of
being bent; crookedness. --Coxe.
2. (Hort.) A mode of propagating trees by bending branches to
the ground, and covering the small shoots with earth;
layering. --Chambers.
Meaning of Arcuation from wikipedia