Baroness (noun)

1. The wife or widow of a baron.
2. A female member of the British peerage holding the rank of baron or a European noblewoman of equivalent rank.

Origin:

Mid 17th century: from baron + -ess.

Examples:

1. The baroness was known for her extravagant parties and her love of luxury.
2. The baroness was a prominent philanthropist and a well-respected member of society.
3. She was the youngest baroness in the British peerage.
4. The baroness presided over the meeting with grace and poise.
5. After her husband's death, the baroness became the head of the family and its vast estate.