/ Dictionary / Index A alligatorfish: Meaning and Definition of Find definitions for: al•li•ga•tor•fish Pronunciation: (al'i-gā"tur-fish"), [key] — pl. -fish, -fish•es. a slender marine fish, Aspidophoroides monopterygius, of Atlantic seas, having overlapping plates covering the body. any of several related fishes of the family Agonidae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alligatorfish (Thesaurus) alligator clip alligator gar Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language