duke

The male ruler of a duchy (female equivalent: duchess).

The sovereign of a small state.

A high title of nobility; the male holder of a dukedom.

A grand duke.

Any of various nymphalid butterflies of the Asian genera Bassarona and Dophla.

(usually in the plural) A fist.

“Put up your dukes!”

To hit or beat with the fists.

To give cash to; to give a tip to.

“I duked him twenty dollars.”