
Xenium is a Bulgarian internet company, founded in 2007 by Stanislav Bozhkov, Yavor Ivanov and NetInfo. Xenium became famous with its social media network Svejo.net which was the first large social bookmarking site in Bulgaria. In 2010 Xenium joined the family of another web media group - Sportal Media Group. By acquiring Svejo.net (Xenium) with i...
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http://en.wikipedia.org/wiki/Xenium

gift made to a guest or ambassador; any compulsory gift
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http://phrontistery.info/x.html

• (n.) A present given to a guest or stranger, or to a foreign ambassador.
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http://thinkexist.com/dictionary/meaning/xenium/
Xe'ni·um noun ;
plural Xenia . [ Latin , from Greek
xe`nion gift to a guest, from
xe`nos guest.]
(Class. Antiq.) A present given to a guest or stranger, or to a foreign ambassador.
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http://www.encyclo.co.uk/webster/X/1

In mediaeval time, a xenium was an offering or gift, often compulsory, made by subjects to their lord as he passed through their estates.
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http://www.probertencyclopaedia.com/browse/AX.HTM
No exact match found.