King·fish n. Zool. (a) An American marine food fish of the genus Menticirrus, especially Menticirrus saxatilis, or Menticirrus nebulosos, of the Atlantic coast; -- called also whiting, surf whiting, and barb. (b) The opah. (c) The common cero; also, the spotted cero. See Cero. (d) The queenfish.
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