bedsore

[bed-sawr, -sohr]
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noun Pathology.

an ulceration of the skin and subcutaneous tissue caused by poor circulation due to prolonged pressure on body parts, especially bony protuberances, occurring in bedridden or immobile patients; decubitus ulcer.

Origin of bedsore

First recorded in 1860–65; bed + sore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bed-sore

bedsore

noun

the nontechnical name for decubitus ulcer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bed-sore
n.

"gangrene caused by anemia due to continued pressure," 1833, from bed (n.) + sore (n.)

Online Etymology Dictionary, © 2010 Douglas Harper

bed-sore in Medicine

bedsore

[bĕdsôr′]

n.

A pressure-induced ulceration of the skin occurring in persons confined to bed for long periods of time.decubitus ulcer pressure sore
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.