/ Dictionary / Index S seaquake: Meaning and Definition of Find definitions for: sea•quake Pronunciation: (sē'kwāk"), [key] — n. an agitation of the sea caused by a submarine eruption or earthquake. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seaquake (Thesaurus) sea puss sear Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language