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.