decubitus

noun, plural de·cub·i·tus. Medicine/Medical.

1. any position assumed by a patient when lying in bed.

noun

1. med the posture adopted when lying down

n.

1866, Modern Latin, from Latin decumbere “to lie down,” from de- (see de-) + cumbere (see succumb).

n.

1. The position of a patient in bed.
2. A bedsore.