/ Dictionary / Index S sea chest: Meaning and Definition of Find definitions for: sea' chest" Pronunciation: [key] — Naut. Naut. a fitting in a hull below the water line, for admitting or discharging water. a chest for the personal belongings of a sailor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sea change seacoast 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