- Baron - a nobleman (in various countries) of varying rank
--1 is a kind of Lord, noble, nobleman
- Baron - a British peer of the lowest rank
--2 is a kind of peer
- baron, big businessman, business leader, king, magnate, mogul, power, top executive, tycoon - a very wealthy or powerful businessman; "an oil baron"
--3 is a kind of businessman, man of affairs
--3 has particulars: oil tycoon - Baron - a British peer of the lowest rank