Definition of moderatress in English:
moderatress
noun
rare A female moderator. (Chiefly in 17th century).
Pronunciation
moderatress
/ˌmɒdəˈreɪtrɪs/ /ˈmɒd(ə)rətrɪs/ Origin
Early 17th century. From Middle French moderateresse, feminine form corresponding to modérateur see -tress.