headmistress-ship /ˌhɛdˈmɪs.tɹɪs.ʃɪp/ noun2 •The position of a headmistress.Under the headmistressship of the late Miss Ruth Lim the school progressed steadily and by 1941 the enrolment was at 200 pupils. — 1965 •The tenure of a headmistress. formsheadmistress-ships
