Source : Webster's Revised Unabridged Dictionary (1913)

Bourbon \Bour"bon\, n. [From the castle and seigniory of Bourbon
   in central France.]
   1. A member of a family which has occupied several European
      thrones, and whose descendants still claim the throne of
      France.

   2. A politician who is behind the age; a ruler or politician
      who neither forgets nor learns anything; an obstinate
      conservative.

Source : WordNet®

Bourbon
     n 1: a reactionary politician in the United States (usually from
          the South)
     2: whiskey distilled from a mash of corn and malt and rye and
        aged in charred oak barrels
     3: a member of the European royal family that ruled France
     4: a European royal line that ruled in France (from 1589-1793)
        and Spain and Naples and Sicily [syn: {Bourbon dynasty}]