/ Dictionary / Index P parhelion: Meaning and Definition of Find definitions for: par•he•li•on Pronunciation: (pär-hē'lē-un, -hēl'yun), [key] — pl. -he•li•a 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 calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: parhelion (Thesaurus) parhelic circle pari- Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language