The Collaborative International Dictionary of English v.0.48:

Gree \Gree\, n.; pl. Grees (gr[=e]z); obs. plurals Greece
   (gr[=e]s) Grice (gr[imac]s or gr[=e]s), Grise, Grize
   (gr[imac]z or gr[=e]z), etc. [OF. gr['e], F. grade. See
   Grade.]
   A step.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Greece \Greece\, n. pl.
   See Gree a step. [Obs.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

Greece
    n 1: a republic in southeastern Europe on the southern part of
         the Balkan peninsula; known for grapes and olives and olive
         oil [syn: Greece, Hellenic Republic, Ellas]
    2: ancient Greece; a country of city-states (especially Athens
       and Sparta) that reached its peak in the fifth century BCE