sun pillar


nounAstronomy.
  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.

Origin of sun pillar

1
First recorded in 1900–05

Words Nearby sun pillar

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024