Type Political Subdivision Usage French, English Pronounced Pron. /lɔ.ʁɛn/(French) /lə.ˈɹeɪn/(English) Meaning & History Ultimately from Latin Lothari regnum meaning "kingdom of Lothar". Lothar was a Frankish king, the great-grandson of Charlemagne, whose realm was in the part of France now called Lorraine, or in German Lothringen.