/ Dictionary / Index S sea devil: Meaning and Definition of Find definitions for: sea' dev"il Pronunciation: [key] manta (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sea Dayak sea dog Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language