noun

• (history, especially Ancient Greece) The mother (founding) polis (city state) of a colony.
• A large, busy city, especially as the main city in an area or country or as distinguished from surrounding rural areas.
• (Orthodox Christianity) The see of a metropolitan bishop, ranking above its suffragan diocesan bishops.
• (ecology) A generic focus in the distribution of plants or animals.
• A city, the county seat of Massac County, Illinois, United States.
• A ghost town in Elko County, Nevada, United States.
• A classical city site in Anatolia (Turkey).
• (fiction) A fictional city appearing in American comic books published by DC Comics, best known as the home of Superman.
• Nickname for New York City.
• (England, dated) London, United Kingdom.