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: Webster's Revised Unabridged Dictionary (1913)