n. [ L. aduncitas. See Aduncous. ] Curvature inwards; hookedness. [ 1913 Webster ]

The aduncity of the beaks of hawks. Pope. [ 1913 Webster ]

a. [ L. aduncus; ad + uncus hooked, hook. ] Curved inwards; hooked. [ 1913 Webster ]

{ } a. (Zool.) Hooked; as, a parrot has an adunc bill. [ 1913 Webster ]