PRECEPTOR
Source: 566, 567
preceptor. Preceptor, n. a teacher, instructor, tutor, master
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Pre‐cep″tor (?), n. [[L. praeceptor, fr. praecipere to teach: cf. F. précepteur. See Precept.]] 1. 1. One who gives commands, or makes rules; specifically, the master or principal of a school; a teacher; an instructor.
2. 2. The head of a preceptory among the Knights Templars. Sir W. Scott.