D defs.my
Entry 6 senses · 3 variants Webster, 1913

Duke

/(dūk)/ · IPA /dʒuːk/
01 n. A leader; a chief; a prince.
  1. 1.
    A leader; a chief; a prince.[Obs.]
    “Hannibal, duke of Carthage.” — Sir T. Elyot.
    “All were dukes once, who were “duces” -- captains or leaders of their people.” Trench.
  2. 2.
    In England, one of the highest order of nobility after princes and princesses of the royal blood and the four archbishops of England and Ireland.
  3. 3.
    In some European countries, a sovereign prince, without the title of king.
  4. 4.
    The fists; as, put up your dukes.[slang]
Phrases & compounds
Duke's coronet — See Illust. of Coronet.
To dine with Duke Humphrey — to go without dinner. See under Dine.
02 v. i. To play the duke.
  1. 1.
    To play the duke.[Poetic]
    “Lord Angelo dukes it well in his absence.” Shak.
03 v. t. To beat with the fists.
  1. 1.
    To beat with the fists.[slang]
Phrases & compounds
to duke it out — to fight; -- usually implying, to fight with the fists; to settle a dispute by fighting with the fists. See duke, n. sense 4.