city hall - Wiktionary, the free dictionary

• city chambers (term used in Scotland)

• (UK) IPA^(key): /ˈsɪti ˌhɔːl/, /ˈsɪtɪ ˌhɔːl/
• (US) IPA^(key): /ˈsɪti ˌhɔl/
• (cot–caught merger) IPA^(key): /ˈsɪti ˌhɑl/

city hall (plural city halls)

1. The building that houses a city's government.

   The vice-mayor has an office on the third floor of city hall.

2. (figuratively, metonymically) The city government; government in general.

   You can't fight city hall.

• See town hall