/ Dictionary / Index S St. George's Channel: Meaning and Definition of Find definitions for: St. George's Channel Pronunciation: [key] a channel between Wales and Ireland, connecting the Irish Sea and the Atlantic. 100 mi. (160 km) long; 50–90 mi. (81–145 km) wide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. St. George's St.-Germain Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language