/ Dictionary / Index S sun disk: Meaning and Definition of Find definitions for: sun' disk" Pronunciation: [key] the disk of the sun. a representation of this, esp. in religious symbolism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sundial sundog 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