preceptor Meaning, Definition & Usage

  1. noun teacher at a university or college (especially at Cambridge or Oxford)
    don.

WordNet

Pre*cep"tor noun
Etymology
L. praeceptor, fr. praecipere to teach: cf. F. précepteur. See Precept.
Definitions
  1. One who gives commands, or makes rules; specifically, the master or principal of a school; a teacher; an instructor.
  2. The head of a preceptory among the Knights Templars. Sir W. Scott.

Webster 1913