registrar
noun [ C ] uk/ˌredʒ.ɪˈstrɑːr/ us/ˈredʒ.ə.strɑːr/
(RECORD KEEPER)
（尤指出生、死亡和婚姻登记的）登记员，户籍管理员
an official whose job is to keep official records, especially of births, deaths, and marriages
（某些大学的）注册主任，教务主任，教务长
at some colleges, an official in charge of exams, keeping records, and new students
(DOCTOR)
UK专科住院医生
a type of hospital doctor
A hospital registrar is of a lower rank than a consultant. 医院的专科住院医生比会诊医生级别低。