Louis I: Meaning and Definition of

Lou•is I

Pronunciation: (l'ē, l'is Fr. lwē), [key]
— (“le Débonaire” “the Pious”)
  1. a.d. 788–840, king of France and Germany 814–840; emperor of the Holy Roman Empire 814–840 (son of Charlemagne).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.