/ Dictionary / Index H heliolatry: Meaning and Definition of Find definitions for: he•li•ol•a•try Pronunciation: (hē"lē-ol'u-trē), [key] — n. worship of the sun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heliolatry (Thesaurus) heliogravure heliometer Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language