decumbiture

from The Collaborative International Dictionary of English v.0.48

Decumbiture \De*cum"bi*ture\ (?; 135), n.
   1. Confinement to a sick bed, or time of taking to one's bed
      from sickness. --Boyle.
      [1913 Webster]

   2. (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.
      [1913 Webster]