CINCINNATI Meaning of CINCINNATI in English Cin ‧ cin ‧ nat ‧ i /ˌsɪnsəˈnæti◂, ˌsɪnsɪˈnæti◂/ BrE AmE a city in southwest Ohio in the US, next to the Ohio River, which is an important industrial centre Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012