establishment of the port

Establishment \Es*tab"lish*ment\, n. [Cf. OF. establissement, F.
   ['e]tablissement.]
   1. The act of establishing; a ratifying or ordaining;
      settlement; confirmation.
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   2. The state of being established, founded, and the like;
      fixed state.
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   3. That which is established; as:
      (a) A form of government, civil or ecclesiastical;
          especially, a system of religion maintained by the
          civil power; as, the Episcopal establishment of
          England.
      (b) A permanent civil, military, or commercial, force or
          organization.
      (c) The place in which one is permanently fixed for
          residence or business; residence, including grounds,
          furniture, equipage, etc.; with which one is fitted
          out; also, any office or place of business, with its
          fixtures; that which serves for the carrying on of a
          business; as, to keep up a large establishment; a
          manufacturing establishment.
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                Exposing the shabby parts of the establishment.
                                                  --W. Irving.
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   {Establishment of the port} (Hydrography), a datum on which
      the tides are computed at the given port, obtained by
      observation, viz., the interval between the moon's passage
      over the meridian and the time of high water at the port,
      on the days of new and full moon.
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