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]WordNet (r) 3.0 (2006):
chalice n 1: a bowl-shaped drinking vessel; especially the Eucharistic cup [syn: chalice, goblet]