IPA: /fiːf/
KK: /fif/
A piece of land or property that is given to a person in exchange for loyalty and service, especially in the feudal system.
The lord granted him a fief in return for his military service.
Fief originates from Old French *fief*, meaning a feudal estate or land held by a vassal in exchange for service. The term reflects the system of land tenure in medieval Europe, where land was granted in return for loyalty and military service.
Think of a 'feudal estate' that a vassal holds in exchange for service — that's what a fief represents.