cornerstone

cor·ner·stone also corner stone  (kôrnr-stn)

n.

1.

a. A stone at the corner of a building uniting two intersecting walls; a quoin.

b. Such a stone, often inscribed, laid at a ceremony marking the origin of a building.

2. An indispensable and fundamental basis: the cornerstone of an argument.

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cornerstone

Noun

1. an indispensable part or basis: the food we eat is one of the cornerstones of good health

2. a stone at the corner of a wall

Thesaurus

Noun	1.	cornerstone - the fundamental assumptions from which something is begun or developed or calculated or explained; "the whole argument rested on a basis of conjecture" fundament, groundwork, basis, foundation, base explanation - thought that makes something comprehensible meat and potatoes - the fundamental part; "successful negotiation is the meat and potatoes of arbitration" supposal, supposition, assumption - a hypothesis that is taken for granted; "any society is built upon certain assumptions"
	2.	cornerstone - a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice" stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
	3.	cornerstone - a stone at the outer corner of two intersecting masonry walls building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice" stone - building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"

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cornerstone

noun basis, key, premise, starting point, bedrock

Translations

cornerstone [ˈkɔːnəstəun] n → piedra angular

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cornerstone [ˈkɔːnəstəun] n → pierre f angulaire

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cornerstone [ˈkɔːnəstəun] corner n (fig) → Grundstein m, Eckstein m

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cornerstone [ˈkɔːnəstəun] n → pietra angolare