/ Dictionary / Index A anthelic arc: Meaning and Definition of Find definitions for: ant•he'lic arc' Pronunciation: (ant-hē'lik, an-thē'-), [key] a rare halo occurring 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. Antheil anthelion Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language