Meaning of anthelion

ant•he•li•on

Pronunciation: (ant-hē'lē-un, an-thē'-), [key]
— pl. -li•a
  1. a luminous, white spot occasionally appearing at the sun's elevation but in the opposite part of the sky.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.