Webster's Revised Unabridged Dictionary · 1913

Bourbon

Bourbon ({not transcribed}) , noun

[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.