dowager's hump

noun
  1. a type of kyphosis, common in older women, in which the shoulders become rounded and the upper back develops a hump: caused by osteoporosis resulting in skeletal deformity.
Compare lordosis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

dowager's hump in Medicine

dowager's hump

[douə-jərz]
n.
  1. 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.