/ Dictionary / Index R Red Sea: Meaning and Definition of Find definitions for: Red' Sea' Pronunciation: [key] an arm of the Indian Ocean, extending NW between Africa and Arabia: connected to the Mediterranean by the Suez Canal. 1450 mi. (2335 km) long; 170,000 sq. mi. (440,300 sq. km); greatest depth, 7254 ft. (2211 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. red sandalwood red seaweed Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language