Duke

1. The title of a duke. A nobleman with the highest hereditary rank. The Duke of Wellington defeated Napoleon at the Battle of Waterloo.
2. A male given name. Duke Ellington was a famous composer and pianist.
3. A private university in North Carolina. Duke University won the football game.
4. To fight, especially with fists. They duked it out.
5. (plural) Dukes - a fist. Put up your dukes.