D defs.my
Entry 1 sense Webster, 1913

Fief

/fēf/ · IPA /fiːf/
01 n. An estate held of a superior on condition of military service; a fee; a feud. See under Benefice, n., 2.
  1. 1.
    An estate held of a superior on condition of military service; a fee; a feud. See under Benefice, n., 2.(Law) See: Benefice