anchor
noun
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a mechanical device that prevents a vessel from movingground tackle
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a central cohesive source of support and stabilityโFaith is the anchor of many religions.โbackbonekeystonelinchpinlynchpinmainstay
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a television reporter who coordinates a broadcast to which several correspondents contributeanchorman
verb
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to secure a vessel with an anchor or weightโWe anchored at Baltimore.โcast anchordrop anchor
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to fix firmly and stablyโThey anchored the lamppost in concrete.โground