TyrePronunciation: /ˈtʌɪə/Definition of Tyre a port on the Mediterranean in southern Lebanon; population 41,800 (est. 2009). Founded in the 2nd millennium bc as a colony of Sidon, it was for centuries a Phoenician port and trading centre. Derivatives Tyrian adjective & noun Tyre in other Oxford dictionaries Definition of Tyre in the US English dictionary