city

noun

• A large settlement, bigger than a town; sometimes with a specific legal definition, depending on the place.

  "São Paulo is the largest city in South America."

• A settlement granted special status by royal charter or letters patent; traditionally, a settlement with a cathedral regardless of size.
• The central business district; downtown.

  "I'm going into the city today to do some shopping."

• A large amount of something (used after the noun).

  "It's video game city in here!"