bar ‧ on /ˈbærən/ BrE AmE noun [countable]
[ Date: 1100-1200 ; Language: Old French ]
1 . a man who is a member of a low rank of the British ↑ nobility or of a rank of European ↑ nobility
2 . a businessman with a lot of power or influence:
drug barons
conservative press barons like Beaverbrook
⇨ ↑ robber baron