The Collaborative International Dictionary of English v.0.48:

Voluptuary \Vo*lup"tu*a*ry\ (?; 135), n.; pl. Voluptuaries.
   [L. voluptuarius or voluptarius, fr. voluptas pleasure.]
   A voluptuous person; one who makes his physical enjoyment his
   chief care; one addicted to luxury, and the gratification of
   sensual appetites.
   [1913 Webster]

         A good-humored, but hard-hearted, voluptuary. --Sir W.
                                                  Scott.
   [1913 Webster]

   Syn: Sensualist; epicure.
        [1913 Webster]