名詞 preceptor:

1. teacher at a university or college (especially at Cambridge or Oxford)
   同義詞：don

pre.cep.tor

n.（名詞）
A teacher; an instructor.
老師；指導者
An expert or a specialist, such as a physician, who gives practical experience and training to a student, especially of medicine or nursing.
指導醫(yī)師：尤指在醫(yī)學或護理方面給予學生實際經(jīng)驗和訓練的專家和內(nèi)行，如醫(yī)生
The head of a preceptory.
圣殿騎士地方分團團長

來源：
Middle English
中古英語
from Latin praeceptor
源自 拉丁語 praeceptor
from praecipere [to teach] * see precept
源自 praecipere [教] *參見 precept

【引伸】
pre.cepto.rial
pre.cepto.rially
adv.（副詞）