Cornerstone

"Cornerstone" in French

pierre angulaire

(base stone)

pierre angulaire

(ceremonial stone)

pierre angulaire

(that which is prominent, fundamental, noteworthy, or central)

pierre d'angle

(base stone)

pierre d'angle

(that which is prominent, fundamental, noteworthy, or central)

première pierre

(ceremonial stone)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.