/ Dictionary / Index S spherical coordinates: Meaning and Definition of Find definitions for: spher'ical coor'dinates Pronunciation: [key] — Math. Math. a system of coordinates for locating a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spherical astronomy spherical geometry Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language