\Pre*cep"tor\, n. [L. praeceptor, fr. praecipere to
teach: cf. F. pr['e]cepteur. See {Precept}.]
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.