moon pillar

noun Astronomy.

a halo phenomenon in which a vertical streak of light appears above and below the moon, believed to be caused by the reflection of moonlight by ice crystals with vertical axes.

Nearby words

  1. moon face,
  2. moon gate,
  3. moon jellyfish,
  4. moon knife,
  5. moon letter,
  6. moon pool,
  7. moon rat,
  8. moon shell,
  9. moon, sun myung,
  10. moon-blind

Compare sun pillar. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019