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keystone

/ˈkiːstəʊn/noun

उच्चारण कीस्टोन

आधारशिला, मूल आधार

Advanced word

noun
  1. 1

    [C, usually sing.]

    the most important part of a plan or an argument, on which the other parts depend

    आधारशिला, मूल आधार

    • Free education is the keystone of the government's policy.
    • Trust is the keystone of any relationship.

    Synonyms cornerstone foundation basis linchpin core

  2. 2

    [C] architecture

    the central stone at the top of an arch that keeps all the other stones in position

    (मेहराब का) मूल-शिला, डाट का पत्थर

    • The keystone of the old gateway had cracked.