city

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!”