What does the word pillar mean?

Usage examples for pillar

  1. 11. A Pillar at Sebzevah. – Life of Robert Browning by William Sharp
  2. I was a pillar of sand. – The Weavers, Complete by Gilbert Parker Last Updated: March 14, 2009
  3. He went out to put the three letters into the pillar- box. – In the Wilderness by Robert Hichens
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