decubitus ulcer

de·cu·bi·tus ulcer  (d-kyb-ts)

n.

See bedsore.

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[Medieval Latin dcubitus, lying down, being bedridden, from past participle of Latin dcumbere, to lie down; see decumbent.]

Thesaurus

Noun

1.

decubitus ulcer - a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients) bedsore, pressure sore ulcer, ulceration - a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue