Definitions

1. proper noun

a mountain in New Zealand, and a village in the South Island, named after the Polish national hero Tadeusz Kościuszko

“The hikers ascended the majestic peak of Mount Kosciusko.”

2. proper noun

a county in Mississippi, USA, named after the Polish national hero

“The county seat of Kosciusko is a charming town with a rich history.”

3. noun

a person who is of Polish descent, especially one who has the surname Kosciusko

“He was a proud Kosciusko, proud of his Polish heritage.”