Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

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