Noun
An attitude assumed in lying down; as, the dorsal decubitus.
Source: Webster's dictionaryChronic infections, often caused by diabetes or decubitus ulcers in bedridden patients, are common causes of infections that lead to gangrene, which would then necessitate amputation. Source: Internet
The concentration is directed to preventing infections such as pneumonias, bedsores ( decubitus ulcers ), and providing balanced nutrition. Source: Internet