The Collaborative International Dictionary of English v.0.48:

Cenatory \Cen"a*to*ry\, a. [L. cenatorius, fr. cenare to dine,
   sup, fr. cena, coena, dinner, supper.]
   Of or pertaining to dinner or supper. [R.]
   [1913 Webster]

         The Romans washed, were anointed, and wore a cenatory
         garment.                                 --Sir T.
                                                  Browne.
   [1913 Webster]