In`cur*va"tion (?), n. [L.
incurvatio: cf. F. incurvation.]
1. The act of bending, or curving.
2. The state of being bent or curved;
curvature.
An incurvation of the rays.
Derham.
3. The act of bowing, or bending the body, in
respect or reverence. "The incurvations of the knee."
Bp. Hall.