i Register
In some senses, duke is marked as informal, slang. Watch for register when choosing this word.
noun
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.
verb
To hit or beat with the fists.
It seems that PI Rainer was duked by his wife […].
To give cash to; to give a tip to.
I duked him twenty dollars.
To perform the duties of, or rule over as, a duke.
noun
The title of a duke.
Percy’s military career began in France under Dukes Henry and John of Lancaster; […]