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cornerstone

PRIMARY MEANINGS OF: cornerstone

1
n
a stone at the outer corner of two intersecting masonry walls
2
n
the fundamental assumptions from which something is begun or developed or calculated or explained
FULL DEFINITIONS OF: cornerstone
1

n a stone at the outer corner of two intersecting masonry walls

Type of:
stone
building material consisting of a piece of rock hewn in a definite shape for a special purpose

n a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies

Type of:
stone
building material consisting of a piece of rock hewn in a definite shape for a special purpose
2

n the fundamental assumptions from which something is begun or developed or calculated or explained

Synonyms:
base, basis, foundation, fundament, groundwork
Types:
meat and potatoes
the fundamental part
Type of:
assumption, supposal, supposition
a hypothesis that is taken for granted
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