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English definition of “pillar”

pillar

noun [C] uk   /ˈpɪl.ər/ us    //
a strong column made of stone, metal, or wood that supports part of a building: A row of reinforced concrete pillars supports the bridge.figurative a pillar of smoke/flameArches, columns and beamsPhysical supports and supportingArches, columns and beams pillar of sth a very important member or part of a group, organization, system, etc.: Mrs Maple is a pillar of the local church. Equality is one of the pillars of socialism.People in charge of or controlling other peopleBosses, managers and directors
(Definition of pillar from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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