英和和英

名詞

arcuation (countable かつ uncountable, 複数形 arcuations)

1. The act of bending or curving; the state of being bent; crookedness.
   • 1825, Olinthus Gregory, Mathematics for Practical Men:

     In the practice of arcuation, the voussoirs or arch - stones are so cut , that their joints are perpendicular to the arch or to its tangent , at the points where they respectively fall

2. (botany) A method of propagating trees by bending branches to the ground and covering the small shoots with earth; layering.
   • 1734, Practical Husbandman and Planter:

     flowering Shrubs, which are propagated or raised by Arcuation, or laying