Definition of cornerstone in English:

cornerstone

Syllabification: cor·ner·stone
Pronunciation: /ˈkôrnərˌstōn
 
/

noun

1A stone that forms the base of a corner of a building, joining two walls.
More example sentences
  • These are cornerstones, flint stones, millstones, limestone, and milestones.
  • A stone is also symbolic of eternity, like the cornerstone of a building, placed to last for all time.
  • Usually, I touch the cornerstones on the buildings, but Aunt Issa had said men would know I am a child from my hands and such a childish move.
1.1An important quality or feature on which a particular thing depends or is based: a national minimum wage remained the cornerstone of policy
More example sentences
  • Yoga will continue to remain an important cornerstone, but I really need to make more time for weight training.
  • Despite their adolescence, it is on these countries that the United States depends as a cornerstone of its energy policy.
  • Wong's structure will not provide shade but a vision that represents three important cornerstones of our university community: students, businesses and faculty.
Synonyms
foundation, basis, keystone, mainspring, mainstay, linchpin, bedrock, base, backbone, key, centerpiece, core, heart, center, crux

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