From Longman Dictionary of Contemporary Englishbedsorebed‧sore /ˈbedsɔː $ -sɔːr/ noun [countable] MIa sore place on your skin caused by lying in bed for a long time
Examples from the Corpus
bedsore• If a patient has a bedsore and is incontinent the frequent changing of sheets and incontinence pads might be regarded as nursing.• The collapse of her immune system means even her bedsores are infected.• She was so thin now that the bedsores felt as if they were welded to bone.