fief
nounUK /fiːf/
US /fiːf/
A fief is a piece of land that a king gave to a helper long ago.
The knight received a fief for his loyal service to the king.
OTHER MEANINGS
2. A person's area of control or responsibility.
Fixing the computers is her fief at the office.
3. A source of regular income or benefit.
The little shop became a fief for the whole family.
4. A territory ruled by a feudal lord.
The duke's fief stretched across the valley.