(1585–1642), French cardinal and statesman; born Armand Jean du Plessis; known as Cardinal Richelieu. As chief minister of Louis XIII (1624–42) he dominated French government. In 1635 he established the Académie française.
Definition of Richelieu, Duc de in US English:
Richelieu, Duc de
proper nounˈriSHəlˌ(y)o͞o
(1585–1642), French cardinal and statesman; born Armand Jean du Plessis ; known as Cardinal Richelieu. He was chief minister to Louis XIII 1624–42 and established the Académie française in 1635.