🇬🇧 en fr 🇫🇷

cornerstone noun

  • A stone forming the base at the corner of a building.
  • (figuratively) That which is prominent, fundamental, noteworthy, or central.
 pierre angulaire, pierre d'angle
  • Such a stone used ceremonially, often inscribed with the architect's and owner's names, dates and other details.
 pierre angulaire, première pierre
Wiktionary Links