/ Dictionary / Index S San Juan Islands: Meaning and Definition of Find definitions for: San' Juan' Is'lands Pronunciation: [key] a group of islands between NW Washington and SE Vancouver Island, Canada: a part of Washington. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. San Juan Hill San Juan Mountains Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language