decumbiture

Century Dictionary and Cyclopedia

1. n. The time at which a sick person takes to his bed, or during which he is confined to it by disease.
2. n. In astrology, the figure of the heavens erected for the time of a person's first taking to his bed from illness. Prognostics of recovery or death were derived from this figure.

Wiktionary

1. n. A lying-down of a person due to illness.
2. n. astrology A branch of astrology dealing with diagnosis, prognosis and treatment of an illness based on the astrological conditions at the onset of the illness.
3. n. astrology An astrological chart cast for the first day of an illness.

GNU Webster's 1913

1. n. Confinement to a sick bed, or time of taking to one's bed from sickness.
2. n. (Astrol.) Aspect of the heavens at the time of taking to one's sick bed, by which the prognostics of recovery or death were made.