/ Dictionary / Index S seawater: Meaning and Definition of Find definitions for: sea•wa•ter Pronunciation: (sē'wô"tur, -wot"ur), [key] — n. the salt water in or from the sea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seawater (Thesaurus) sea wasp seaway Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language