The definition of a city is a town of significant size or an urban area with self-government.
(noun)An example of a city is Manhattan.
See city in Webster's New World College Dictionary
noun pl. cities
Origin: ME cité, citet < OFr < L civitas, citizenship, community of citizens, hence state, city < civis, townsman: see home
adjective
See city in American Heritage Dictionary 4
noun pl. cit·ies
Origin:
Origin: Middle English cite
Origin: , from Old French
Origin: , from Latin cīvitās
Origin: , from cīvis, citizen; see kei-1 in Indo-European roots
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