highwayPronunciation: /ˈhʌɪweɪ/Translate highway | into French | into German | into Italian | into Spanish Definition of highway noun chiefly North American a main road, especially one connecting major towns or cities:a six-lane highway figurativethe highway to success (chiefly in official use) a public road:the Highways Department Computing a pathway connecting parts of one computer system or between different systems: an information highwayhighway in other Oxford dictionaries Definition of highway in the US English dictionary