Definition of "fief" in English

noun

1. (law, historical) Land held of a superior, particularly on condition of homage, fealty, and personal service, especially military service.

2. (figurative) Synonym of estate: any land, when considered as a region over which the owner exercises lordly control.

3. (figurative) A territory, a domain, an area over which one exercises lordly control, particularly with regard to corporate or governmental bureaucracies.