the act of lying recumbent and, in particular, as a sick patient in bed
2.
the act or moment of going to bed as an invalid
Decumbiture, in contrast, required that a chart be drawn up for the moment the illnessmanifested itself, usually when the patient had taken to their bed (the term 'decumbiture'comes from the Latin for 'lying down').
3.
an astrological chart made for the time of taking to bed as an invalid and giving indications of the outcome of the illness