Definition of ministerialis in English:

ministerialis

Pronunciation /ˌmɪnɪstɪərɪˈɑːlɪs/

noun

historical
  • In certain feudal systems, notably in Germany: a non-noble retainer or official, originally of unfree status, with obligations of household and military service to his lord.

Origin

Late 19th century; earliest use found in Political Science Quarterly. From post-classical Latin ministerialis ministerial.