What is the meaning of Metropolitan?

A bishop empowered to oversee other bishops; an archbishop.

The inhabitant of a metropolis.

Pertaining to the see or province of a metropolitan.

Of, or pertaining to, a metropolis or other large urban settlement.

Of or pertaining to the parent state of a colony or territory, or the home country, e.g. metropolitan France

metropolitan

metro, subway, underground

Source: wiktionary.org