Part of speech: noun

A stone uniting two walls at the corner of a building, at or near the foundation.

Share it on:

Usage examples "cornerstone":

  1. He had no expectation, however, of ever living such a life, for pride, the cornerstone of his character, had given way, and he was too greatly discouraged at the time to purpose reform even in the future. - "A Knight Of The Nineteenth Century", E. P. Roe.
  2. Integrity of word and deed ought to be the very cornerstone of all business transactions. - "Self Help", Samuel Smiles.
  3. Now he's the cornerstone of Ace Books. - "Uller Uprising", Henry Beam Piper, John D. Clark and John F. Carr.