Chatelaine (noun)

1. A mistress of a castle or large country house.
2. A woman who is in charge of domestic arrangements in a large household.
3. A decorative belt or chain worn by women, typically having small tools or utensils attached to it.

Origin:

From old french chatelaine, feminine of chatelain, from château ("castle") + -aine (feminine suffix).

Examples:

1. She was the chatelaine of the grand estate.
2. The chatelaine was responsible for the daily running of the household.
3. She wore a chatelaine with a small scissors and a thimble attached.
4. The chatelaine was the mistress of the castle and all that went on within it.
5. Her role as chatelaine was to keep the household running smoothly.