The Collaborative International Dictionary of English v.0.48:

Ghee \Ghee\ (g[=e]), n. [Hind. gh[imac] clarified butter, Skr.
   gh[.r]ta.]
   Butter clarified by boiling, and thus converted into a kind
   of oil. [India] --Malcom.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ghee
    n 1: clarified butter used in Indian cookery