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English definition of “pillar”

pillar

noun [C]  /ˈpɪl·ər/ us  
a strong vertical column made of stone, metal, or wood that supports part of a building or stands alone for decoration A pillar is also someone or something that is an important part of a group, place, or activity: He’s a pillar of the Dallas business community.
(Definition of pillar from the Cambridge Academic Content Dictionary © Cambridge University Press)
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