Pronunciation: (pär-hē'lē-un, -hēl'yun), [key]
—pl. -he•li•aPronunciation: (-hē'lē-u, -hēl'yu). [key] Meteorol.
a bright circular spot on a solar halo; a mock sun: usually one of two or more such spots seen on opposite sides of the sun, and often accompanied by additional luminous arcs and bands. Also called sundog. Cf. paraselene.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.