/ Dictionary / Index O oysterfish: Meaning and Definition of Find definitions for: oys•ter•fish Pronunciation: (oi'stur-fish"), [key] — pl. -fish, -fish•es. the oyster toadfish. See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oysterfish (Thesaurus) oyster farm oyster fork Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language