[loo-ee, loo-is; French lwee]
- le Débonairethe Pious, a.d. 788–840, king of France and Germany 814–840; emperor of the Holy Roman Empire 814–840 (son of Charlemagne).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- known as Louis the Pious or Louis the Debonair. 778–840 ad, king of France and Holy Roman Emperor (814–23, 830–33, 834–40): he was twice deposed by his sons