Baron (noun)

1. A man who holds the rank of baron, which is a hereditary title of nobility in certain countries and is the lowest rank of the nobility.
2. A wealthy and powerful businessman or industrialist.

Origin:

From the old french word "baron" meaning a man of high rank, which is derived from the germanic word "baro" meaning a man of power and authority.

Examples:

1. He inherited the title of baron from his father.
2. She married a baron and became a baroness.
3. He is known as the oil baron of the industry.
4. She is a baron of finance and banking.
5. He is a baron of the technology industry.