D defs.my
Entry 3 senses Webster, 1913

Castle-guard

· Cas·tle-guard · IPA
01 n. The guard or defense of a castle.
  1. 1.
    The guard or defense of a castle.
  2. 2.
    A tax or imposition an a dwelling within a certain distance of a castle, for the purpose of maintaining watch and ward in it; castle-ward.(O. Eng. Law)
  3. 3.
    A feudal tenure, obliging the tenant to perform service within the realm, without limitation of time.