Cossack
WordNet
noun
(1) A member of a Slavic people living in southern European Russia and Ukraine and adjacent parts of Asia and noted for their horsemanship and military skill; they formed an elite cavalry corps in czarist Russia
WiktionaryText
Etymology
1600, < and < . Related to .
Proper noun
Cossack (Plural: Cossacks)
- A member of a people of Eastern Europe and the adjacent parts of Asia, that eventually settled in parts of the Polish-Lithuanian Commonwealth, the Russian Empire and the Soviet Union, particularly in areas now comprising southern Russia and Ukraine.
- A member of a Cossack military unit (typically cavalry)