baron baron /ˈbɛrən/

noun

1. A very wealthy or powerful businessman  ( baron , big businessman , magnate , business leader , king , mogul , power , top executive , tycoon )
   a very wealthy or powerful businessman
    An oil baron
   an oil baron
   
   
2. A British peer of the lowest rank  ( baron )
   a British peer of the lowest rank
   
3. A nobleman (in various countries) of varying rank  ( baron )
   a nobleman (in various countries) of varying rank