/ Dictionary / Index P paddlefish: Meaning and Definition of Find definitions for: pad•dle•fish Pronunciation: (pad'l-fish"), [key] — pl. -fish•es, -fish. a large ganoid fish, Polyodon spathula, of the Mississippi River and its larger tributaries, having a long, flat, paddlelike snout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paddlefish (Thesaurus) paddle box paddle steamer Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language