castellan Meaning, Definition & Usage

Cas"tel*lan noun
Etymology
OF. castelain, F. châtelain, L. castellanus pertaining to a castle, an occupant of a caste, LL., a governor of a castle, fr. L. catellum castle, citadel, dim. of castrum fortifled place. See Castle, and cf. Chatelaine.
Definitions
  1. A goveror or warden of a castle.

Webster 1913