Source : Webster's Revised Unabridged Dictionary (1913)

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.