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sun pillar

noun, Astronomy
1.
a halo phenomenon in which a vertical streak of light appears above and below the sun, believed to be caused by the reflection of sunlight by ice crystals with vertical axes.
Compare moon pillar.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sun pillar
  • Lower sun pillar seen extending downward from sun and reflecting on new ice.
  • Notice the sun pillar in the left hand part of the scene.

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Word Value for sun

3
5
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