INCURVATION

incurvation. Incurvation, n. the act of bowing or bending a bow

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