The Collaborative International Dictionary of English v.0.48:

Prorogue \Pro*rogue"\, v. t. [imp. & p. p. Prorogued; p. pr. &
   vb. n. Proroguing.] [F. proroger, L. prorogare, prorogatum;
   pro forward + rogare to ask, to ask one for his opinion or
   vote, or about a law. See Rogation.]
   1. To protract; to prolong; to extend. [Obs.]
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            He prorogued his government.          --Dryden.
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   2. To defer; to delay; to postpone; as, to proroguedeath; to
      prorogue a marriage. --Shak.
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   3. To end the session of a parliament by an order of the
      sovereign, thus deferring its business.
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            Parliament was prorogued to [meet at] Westminster.
                                                  --Bp. Hall.
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            The Parliament was again prorogued to a distant day.
                                                  --Macaulay.
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   Syn: To adjourn; postpone; defer. See Adjourn.
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