Meaning of cornerstone
Pronunciation: (kôr'nur-stōn"), [key]
- a stone uniting two masonry walls at an intersection.
- a stone representing the nominal starting place in the construction of a monumental building, usually carved with the date and laid with appropriate ceremonies.
- something that is essential, indispensable, or basic: The cornerstone of democratic government is a free press.
- the chief foundation on which something is constructed or developed: The cornerstone of his argument was that all people are created equal.
- cornerstone (Thesaurus)