n. An abnormal curvature of the spine, causing a hunchback.
The Century Dictionary and Cyclopedia
n. In pathology, a curvature of the spine, convex backward. Also written cyphosis.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an abnormal backward curve to the vertebral column
Word Usage
"The first of these curvatures is called kyphosis, in which the curvature is posterior; second, lordosis, in which the curvature is anterior; third, scoliosis, in which it is lateral, to the right or left."