a metropolis is a form of:

Metropolis



noun
1.
(the chief city of a country or region) ទីក្រុងធំៗ, មាតុធានី (ពាក្យប្រៀបធៀបនឹងប្រទេស ចំណុះ), រាជធានី
2.
(បច្ចេកទេស) ទីក្រុងធំ
ENGLISH MEANING
noun
1.
The mother city; the chief city of a kingdom, state, or country.
2.
The seat, or see, of the metropolitan, or highest church dignitary.