/ Thesaurus / P Synonyms of parhelic circle Find synonyms for: Noun1. solar halo, parhelic circle, parhelic ring, halousage: a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphereWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language