/ Dictionary / Index S sea-island cotton: Meaning and Definition of Find definitions for: sea'-is•land cot'ton Pronunciation: (sē'ī"lund), [key] a long-staple cotton, Gossypium barbadense, raised originally in the Sea Islands and now grown chiefly in the West Indies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sea horse Sea Islands Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language