Meaning of dowager's hump

dow'ager's hump'

Pronunciation: [key]
  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. Cf. lordosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.