1. a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients); [syn: bedsore, pressure sore, decubitus ulcer]
WordNet (r) 3.0 (2006):
pressure sore
n 1: a chronic ulcer of the skin caused by prolonged pressure on
it (as in bedridden patients) [syn: bedsore, pressure
sore, decubitus ulcer]