Source : Webster's Revised Unabridged Dictionary (1913)

Dine \Dine\, v. i. [imp. & p. p. {Dined}; p. pr. & vb. n.
   {Dining}.] [F. d[^i]ner, OF. disner, LL. disnare, contr. fr.
   an assumed disjunare; dis- + an assumed junare (OF. juner) to
   fast, for L. jejunare, fr. jejunus fasting. See {Jejune}, and
   cf. {Dinner}, {D?jeuner}.]
   To eat the principal regular meal of the day; to take dinner.

         Now can I break my fast, dine, sup, and sleep. --Shak.

   {To dine with Duke Humphrey}, to go without dinner; -- a
      phrase common in Elizabethan literature, said to be from
      the practice of the poor gentry, who beguiled the dinner
      hour by a promenade near the tomb of Humphrey, Duke of
      Gloucester, in Old Saint Paul's.

Duke \Duke\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.]

            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}.