/ Dictionary / Index S Sun Valley: Meaning and Definition of Find definitions for: Sun' Val'ley Pronunciation: [key] a village in S central Idaho: winter resort. 545. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sunup sun visor Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language