The Collaborative International Dictionary of English v.0.48:

Goblet \Gob"let\, n. [F. gobelet, LL. gobeletus, gobellus; cf.
   L. cupa tub, cask. See Cupel.]
   A kind of cup or drinking vessel having a foot or standard,
   but without a handle.
   [1913 Webster]

         We love not loaded boards and goblets crowned.
                                                  --Denham.
   [1913 Webster]

WordNet (r) 3.0 (2006):

goblet
    n 1: a drinking glass with a base and stem
    2: a bowl-shaped drinking vessel; especially the Eucharistic cup
       [syn: chalice, goblet]

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "goblet":
   beaker, blackjack, bowl, chalice, coffee cup, eggcup, glass,
   highball glass, horn, jigger, loving cup, mug, noggin, pony,
   schooner, schooper, shell, shot glass, stein, tankard, tassie,
   teacup, tumbler, wineglass



Easton's 1897 Bible Dictionary:

Goblet
   a laver or trough for washing garments. In Cant. 7:2, a bowl or
   drinking vessel, a bowl for mixing wine; in Ex. 24:6, a
   sacrificial basin. (See CUP.)