The noun city has 3 senses (first 3 from tagged texts)
1. (320) city, metropolis, urban center -- (a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city")
2. (103) city -- (an incorporated administrative district established by state charter; "the city raised the tax rate")
3. (24) city, metropolis -- (people living in a large densely populated municipality; "the city voted for Republicans in 1994")