The Collaborative International Dictionary of English v.0.48:

Discubitory \Dis*cu"bi*to*ry\, a. [L. discumbere, discubitum, to
   lie down, recline at table; dis- + cumbere (in comp.) to lie
   down.]
   Leaning; fitted for a reclining posture. [Obs.] --Sir T.
   Browne.
   [1913 Webster]