Cossack (noun)

1. A member of a group of people who live in the southern steppes of Russia and Ukraine, known for their horseback riding skills and military traditions.
2. A member of a historical group of people living in the borderlands of Russia, Ukraine, and other parts of Eastern Europe, known for their horseback riding skills and military traditions.

Origin:

From the turkic word "qazaq", meaning "free man" or "adventurer".

Examples:

1. The cossacks were known for their horseback riding skills.
2. The cossacks had a long history of military service.
3. During the war, the cossacks fought on both sides.
4. The Cossack culture is known for its distinctive clothing, music and dance.
5. He had a Cossack hat with a fur trim and a bright red band.