/ Dictionary / Index B boreal: Meaning and Definition of Find definitions for: bo•re•al Pronunciation: (bôr'ē-ul, bōr'-), [key] — adj. of or pertaining to the north wind. of or pertaining to the north. (sometimes cap.) pertaining to Boreas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boreal (Thesaurus) bore Boreas Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language