/ Dictionary / Index P philosopher king: Meaning and Definition of Find definitions for: philos'opher king' Pronunciation: [key] the Platonic ideal of a ruler, philosophically trained and enlightened. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. philosopher philosophers' stone Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language