Preceptory \Pre*cep"to*ry\, n.; pl. {Preceptories}. [LL. praeceptoria an estate assigned to a preceptor, from L. praeceptor a commander, ruler, teacher, in LL., procurator, administrator among the Knights Templars. See {Preceptor}.] A religious house of the Knights Templars, subordinate to the temple or principal house of the order in London. See {Commandery}, n., 2.