See Diaspora in Webster's New World College Dictionary
noun
the dispersion of the Jews after the Babylonian Exile
the Jews thus dispersed
the places where they settled
any scattering of people with a common origin, background, beliefs, etc.
See Diaspora in American Heritage Dictionary 4
(dī-ăsˈpər-ə)
noun
The dispersion of Jews outside of Israel from the sixth century B.C., when they were exiled to Babylonia, until the present time.
often diaspora The body of Jews or Jewish communities outside Palestine or modern Israel.
diaspora
a. A dispersion of a people from their original homeland.
b. The community formed by such a people: “the glutinous dish known throughout the [West African] diaspora as … fufu”(Jonell Nash).
diaspora A dispersion of an originally homogeneous entity, such as a language or culture: “the diaspora of English into several mutually incomprehensible languages”(Randolph Quirk).