a. Of or pertaining to an arc. [ 1913 Webster ]

Arcual measure of an angle (Math.), that in which the unit angle has its measuring arc equal to the radius of the circle. [ 1913 Webster ]

{ #), } a. [ L. arcuatus, p. p. of arcuare to shape like a bow, fr. arcus. See Arc. ] Bent or curved in the form of a bow. “Arcuate stalks.” Gray. [ 1913 Webster ]

adv. In the form of a bow. [ 1913 Webster ]

n. [ L. arcuatio. ] 1. The act of bending or curving; incurvation; the state of being bent; crookedness. Coxe. [ 1913 Webster ]

2. (Hort.) A mode of propagating trees by bending branches to the ground, and covering the small shoots with earth; layering. Chambers. [ 1913 Webster ]

n. [ See Arbalist. ] A crossbow. Fosbroke. [ 1913 Webster ]

n. [ L. arcuballistarius. Cf. Arbalister. ] A crossbowman; one who used the arcubalist. Camden. [ 1913 Webster ]

n. See Arquebus. [ Obs. ] [ 1913 Webster ]