/ Dictionary / Index A auroral: Meaning and Definition of Find definitions for: au•ro•ral Pronunciation: (ô-rôr'ul, ô-rōr'-, u-rôr'-, u-rōr'-), [key] — adj. of or like the dawn. pertaining to the aurora borealis or aurora australis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: auroral (Thesaurus) aurora borealis auroral zone Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language