/ Dictionary / Index S surface effect ship: Meaning and Definition of Find definitions for: sur'face effect" ship" Pronunciation: [key] a large, ship-size air cushion vehicle operated over water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. surface density surface effect vehicle 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