• WordNet 3.6
    • n bedsore a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients)
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Webster's Revised Unabridged Dictionary
    • n Bedsore (Med) A sore on the back or hips caused by lying for a long time in bed.
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Century Dictionary and Cyclopedia
    • n bedsore A very troublesome kind of ulcer, liable to appear on patients long confined in bed and either unable or not allowed to change their position. Bed-sores occur at the parts pressed by the weight of the body, chiefly over the sacrum and trochanters, and on the elbows and heels. Also called decubitus.
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In literature:

Sadly in need were we of trained nurses; for the bedsores that developed in the night were a perpetual terror.
"Sketches of the East Africa Campaign" by Robert Valentine Dolbey
There wasn't even a trace of bedsoreness, though he had been flat on his back long enough to grow callouses.
"The Sky Is Falling" by Lester del Rey
The long period of lying in bed favors the occurrence of bedsores.
"The Home Medical Library, Volume I (of VI)" by Various
Perhaps the commonest cause of bedsores is from wrinkles in the under sheets.
"Scouting For Girls, Official Handbook of the Girl Scouts" by Girl Scouts
Loathsome bedsores had attacked the wasted little body, and in truth Carmen was more dead than alive.
"The Children of the Poor" by Jacob A. Riis
When he died they found his back one mass of bedsores.
"Prison Memoirs of an Anarchist" by Alexander Berkman
Bedsores usually occur when there is a low condition of nutrition of the tissues.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 5" by Various

In news:

Fewer foreign objects left in patients' bodies, but more patients with bedsores.
Seniors who developed bedsores in a hospital were more likely to die during their stay, to have longer periods in the facility, or were readmitted within 30 days of their discharge, according to a UCLA study released today.
Bedsores , or pressure ulcers, are lesions caused by unrelieved pressure on the skin.
James Kapralos, Patricia Henry's lawyer who specializes in nursing home and bedsore cases, said there is no systemwide recordkeeping of bedsores , so that patients or families comparing nursing homes can make informed decisions.
The product also protects bedsores from being further strained by pressure.
A Fall River man authorities say was supposed to be taking care of his immobile, elderly mother but instead neglected her until bedsores ate through her skin and muscle all the way to the bone has been sentenced to 10 years in prison.
Waterbeds , first introduced in the 19th century to guard against bedsores, grew to be wildly popular in the 1970s.
Photos obtained by Austin's family revealed multiple large, deep bedsores.
Unidentified woman was found with bedsores, in own waste.
Officials said the woman was laying in her own waste and was covered in bedsores.
The Las Vegas Sun identified 969 instances of preventable hospital-acquired harm — bedsores, falls, infections and other injuries — that could be deadly for patients.