Definition of Mainz in English:
 Mainz
proper nounmʌɪntsmaɪn(t)s
A city in western Germany, capital of Rhineland-Palatinate, situated at the confluence of the Rhine and Main Rivers; population 196,400 (est. 2006).
  Definition of Mainz in US English:
 Mainz
proper nounmaɪn(t)smīn(t)s
A city in western Germany, capital of Rhineland-Palatinate, situated at the confluence of the Rhine and Main Rivers; population 196,400 (est. 2006).