'Duke' definitions:

Definition of 'duke'

From: WordNet
noun
A British peer of the highest rank
noun
A nobleman (in various countries) of high rank

Definition of 'Duke'

From: GCIDE
  • Duke \Duke\ (d[=u]k) v. i. To play the duke. [Poetic] [1913 Webster]
  • Lord Angelo dukes it well in his absence. -- Shak. [1913 Webster]

Definition of 'Duke'

From: GCIDE
  • Duke \Duke\ (d[=u]k), n. [F. duc, fr. L. dux, ducis, leader, commander, fr. ducere to lead; akin to AS. te['o]n to draw; cf. AS. heretoga (here army) an army leader, general, G. herzog duke. See Tue, and cf. Doge, Duchess, Ducat, Duct, Adduce, Deduct.]
  • 1. A leader; a chief; a prince. [Obs.] [1913 Webster]
  • Hannibal, duke of Carthage. --Sir T. Elyot. [1913 Webster]
  • All were dukes once, who were "duces" -- captains or leaders of their people. --Trench. [1913 Webster]
  • 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. [1913 Webster]
  • 3. In some European countries, a sovereign prince, without the title of king. [1913 Webster]
  • 4. pl. The fists; as, put up your dukes. [slang] [PJC]
  • Duke's coronet. See Illust. of Coronet.
  • To dine with Duke Humphrey, to go without dinner. See under Dine. [1913 Webster]

Definition of 'duke'

From: GCIDE
  • duke \duke\ (d[=u]k) v. t. To beat with the fists. [slang] [PJC]
  • 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. [PJC]

Definition of 'Duke'

From: Easton
  • Duke derived from the Latin dux, meaning "a leader;" Arabic, "a sheik." This word is used to denote the phylarch or chief of a tribe (Gen. 36:15-43; Ex. 15:15; 1 Chr. 1:51-54).