/ Dictionary / Index P polar coordinates: Meaning and Definition of Find definitions for: po'lar coor'dinates Pronunciation: [key] — Math. Math. a system of coordinates for locating a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polar circle polar distance Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language