DICT.TW Dictionary Taiwan

 duke /ˈduk ||ˈdjuk/
 公爵

 Duke v. i. To play the duke. [Poetic]
    Lord Angelo dukes it well in his absence.   -- Shak.
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 Duke n.
 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. 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. In some European countries, a sovereign prince, without the title of king.
 Duke's coronet. See Illust. of Coronet.
 To dine with Duke Humphrey, to go without dinner. See under Dine.

 duke
      n 1: a British peer of the highest rank
      2: a nobleman (in various countries) of high rank

 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).