curvature

cur·va·ture

noun
\ˈkər-və-ˌchu̇(ə)r, -chər, -ˌt(y)u̇(ə)r\

Definition of CURVATURE

1

: an abnormal curving (as of the spine)—see kyphosis, scoliosis

2

: a curved surface of an organ (as the stomach)—see greater curvature, lesser curvature