WordWeb Online

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

Sounds like: barren

Derived forms: barons

Type of: businessman, Lord, man of affairs, noble, nobleman, peer [Brit]

Encyclopedia: Baron, Naomi