Source : Webster's Revised Unabridged Dictionary (1913)

Metropolis \Me*trop"o*lis\, n. [L. metropolis, Gr. ?, prop., the
   mother city (in relation to colonies); ? mother + ? city. See
   {Mother}, and {Police}.]
   1. The mother city; the chief city of a kingdom, state, or
      country.

            [Edinburgh] gray metropolis of the North.
                                                  --Tennyson.

   2. (Eccl.) The seat, or see, of the metropolitan, or highest
      church dignitary.

            The great metropolis and see of Rome. --Shak.

Source : WordNet®

metropolis
     n 1: a large and densely populated urban area; may include
          several independent administrative districts; "Ancient
          Troy was a great city" [syn: {city}, {urban center}]
     2: people living in a large densely populated municipality;
        "the city voted for Republicans in 1994" [syn: {city}]