LeverkusenPronunciation: /ˈleɪvəˌkuːz(ə)n, ˈleːvɐˌkuːzn/Definition of Leverkusen an industrial city in western Germany, in North Rhine-Westphalia, on the River Rhine north of Cologne; population 161,300 (est. 2006). Leverkusen in other Oxford dictionaries Definition of Leverkusen in the US English dictionary