/ Dictionary / Index S sea hare: Meaning and Definition of Find definitions for: sea' hare" Pronunciation: [key] any gastropod of the order Aplysiacea, comprising large marine sluglike mollusks with a reduced, internal shell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sea Gull, The* Seahawk 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