Arcual :: Arcual (a.) Of or pertaining to an arc.
Arcuated :: Arcuated (a.) Bent or curved in the form of a bow.
Arcuation :: Arcuation (n.) The act of bending or curving; incurvation; the state of being bent; crookedness.
Arcuation :: Arcuation (n.) A mode of propagating trees by bending branches to the ground, and covering the small shoots with earth; layering..
Subarcuate :: Subarctic (a.) Approximately arctic; belonging to a region just without the arctic circle.