/ Dictionary / Index K Korea Strait: Meaning and Definition of Find definitions for: Kore'a Strait' Pronunciation: [key] a strait between Korea and Japan, connecting the Sea of Japan and the East China Sea. 120 mi. (195 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Korean War Koriyama Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language