fief (plural fiefs)
- An estate held of a superior on condition of military service.
- Something over which one has rights or exercises control.
- (metaphor) An area of dominion, especially in a corporate or governmental bureaucracy.
Derived terms 
See also 
From Old French fief, borrowed from Medieval Latin fevum, a variant of feudum, from Old Frankish *fehu (“cattle, livestock”), from Proto-Germanic *fehu (“cattle, sheep”), from Proto-Indo-European *peku-, *peḱu- (“sheep”). Cognate with Old High German fihu (“cattle, neat”), Old English feoh (“cattle, property, money”). More at fee.
- IPA: /fjɛf/
fief m (plural fiefs)