dowager's hump

dow·a·ger's hump   (dou'ə-jərz)    n.  An abnormal curvature of the spine that is primarily manifested as a rounded hump in the upper back. Typically affecting older women, the curvature is a result of collapse of the spinal column, caused by osteoporosis.

Main Entry: dow·a·ger's hump
Pronunciation: 'dau-i-j&rz-
Function: noun
: an abnormal outward curvature of the upper back with roundshoulders and stooped posture caused especially by bone loss and anterior compression of the vertebrae in osteoporosis

dowager's hump dow·a·ger's hump (dou'ə-jərz)
n.
An abnormal curvature of the spine that is primarily manifested as a rounded hump in the upper back and that typically affects older women, with the curvature being the result of collapse of the spinal column because of osteoporosis.