Diaspora definition

Diaspora definition 

www.vocabulary.com:
The dispersion of the Jews outside Israel; from the destruction of the temple in Jerusalem in 587-86 BC when they were exiled to Babylonia up to the present time

Merriam-Webster.com:

Agroup of people who live outside the area in which they had lived for a long time or in which their ancestors lived

Own definition:

A distribution of a nation or religious group going to other countries like the Jews outside Israel.

Good sources:
1. http://dictionary.kids.net.au/word/diaspora: this might be a good source because as it for kids it will be explained in an easier term making it easier to understand.
2. http://www.oxforddictionaries.com/definition/english/diaspora: this might be a good source because it will give you a definition in more detail and this is probably a more reliable source.
3. http://www.macmillandictionary.com/dictionary/british/diaspora: this might be a good source because it not only gives a definition however it also gives the synonyms of the word, giving you a wider idea of what it means.

Britannica.com:
Diaspora. Populations, such as members of an ethnic or religious group, that originated from the same place but dispersed to different locations.