/ Dictionary / Index P polar outbreak: Meaning and Definition of Find definitions for: po'lar out'break Pronunciation: [key] — Meteorol. Meteorol. a vigorous thrust of cold, polar air across temperate regions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polar orbit Polar Regions Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language