From The Collaborative International Dictionary of English v.0.48:
Parsee \Par"see\ (p[aum]r"s[=e] or p[aum]r*s[=e]"), prop. n.
[Hind. & Per. p[=a]rs[imac] a Persian, a follower of
Zoroaster, a fire worshiper. Cf. Persian.]
[1913 Webster]
1. One of the adherents of the Zoroastrian or ancient Persian
religion, descended from Persian refugees settled in
India, and now found in western India; a fire worshiper; a
Gheber.
Syn: Parsi.
[1913 Webster]
2. The Iranian dialect of much of the religious literature of
the Parsees.
[1913 Webster]