noun

1. in the Middle Ages, a feudal tenant of the king or of any higher-ranking lord; nobleman
2. a member of the lowest rank of the British hereditary peerage
3. this rank or its title
4. a European or Japanese nobleman of like rank
5. ☆ a man having great or absolute power in some field of business or industry; magnate an oil baron
6. a large joint of meat, including the whole sirloin or both loins, with the backbone between

Etymology: ME & OFr < Frank *baro, freeman, man < IE base *bher-, to carry > bear