prolocutor
/prəʊˈlɒkjʊtə(r)/noun
- a chairperson of the lower house of convocation in a province of the Church of England（英国国教教省教牧人员下院会议的）主席, 议长。
词源
late Middle English (in sense 2)： from Latin，from prolocut- 'spoken out'，from the verb proloqui,from pro- 'before'+loqui 'speak'.