Definition of Residenzstadt in English:
Residenzstadt
noun ˌrɛzɪˈdɛnsˌstatˌrɛzɪˈdɛnsˌʃtat
historical A town which was the seat of a German princely court.
Origin
Mid 19th century. From German Residenzstadt town or city which is the seat of a princely court from Residenz + Stadt town, city.