• word of the day

    keystone

    keystone - Dictionary definition and meaning for word keystone

    Definition
    (noun) a central cohesive source of support and stability
    Example Sentence
    • faith is his anchor
    • the keystone of campaign reform was the ban on soft money
    • he is the linchpin of this firm
    Definition
    (noun) the central building block at the top of an arch or vault
    Synonyms : headstone , key
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