central city

Short definition from Wiktionary

Noun

1. 1
   The main city of a metropolitan area; particularly one containing multiple cities.
2. 2
   Synonym of central business district.
3. 3
   Used other than figuratively or idiomatically: see central, city.

Proper noun

1. 1
   An urban village in Phoenix, Arizona, United States.
2. 2
   A small city in Sebastian County, Arkansas, United States.
3. 3
   A home rule municipality, the county seat of Gilpin County, Colorado, United States.
4. 4
   A village in Marion County, Illinois, United States.
5. 5
   A small city in Linn County, Iowa, United States.
6. 6
   A home rule city in Muhlenberg County, Kentucky, United States.
7. 7
   A neighbourhood of New Orleans, Louisiana, United States.
8. 8
   A city, the county seat of Merrick County, Nebraska, United States.
9. 9
   A ghost town in Licking County, Ohio, United States.
10. 10
    A borough of Somerset County, Pennsylvania, United States.
11. 11
    A small city in Lawrence County, South Dakota, United States.