/ Dictionary / Index P Polar Regions: Meaning and Definition of Find definitions for: Po'lar Re'gions Pronunciation: [key] the regions within the Arctic and Antarctic circles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polar outbreak polar valence 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