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pillar

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noun [countable] British English pronunciation: pillar /ˈpɪlə(r)/ 
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singularpillar
pluralpillars

Related dictionary definitions

  1. 2
    formal someone who is important and respected within a group
    a pillar of society/the community/the establishment:

    Mr Henderson is a pillar of society.

    1. a.
      someone who has a strong character and helps or supports other people
      a pillar of strength/support:

      You've been a pillar of strength to me.

  2. 3
    an important idea, principle, or belief
    pillar of:

    The treaty is a pillar of arms control in the nuclear age.

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