Definition of Cornerstone
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(noun) a stone at the outer corner of two intersecting masonry walls
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(noun) a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
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(noun) the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture"
Antonyms of Cornerstone
No Antonyms Found.
Homophones of Cornerstone
No Homophones Found.