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Meaning of Cossack

Cos•sack

Pronunciation: (kos'ak, -uk), [key]
— n.
  1. (esp. in czarist Russia) a person belonging to any of certain groups of Slavs living chiefly in the southern part of Russia in Europe and forming an elite corps of horsemen.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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