chalice

from WordNet (r) 3.0 (2006)

chalice
    n 1: a bowl-shaped drinking vessel; especially the Eucharistic
         cup [syn: {chalice}, {goblet}]

from The Collaborative International Dictionary of English v.0.48

Chalice \Chal"ice\, n. [OR. chalis, calice, OF. chalice, calice,
   F. calice, fr. L. calix, akin to Gr. ? and E. helmet. Cf.
   {Calice}, {Calyx}.]
   A cup or bowl; especially, the cup used in the sacrament of
   the Lord's Supper.
   [1913 Webster]