Source : Webster's Revised Unabridged Dictionary (1913)

Kingfish \King"fish`\, n. (Zo["o]l.)
   (a) An American marine food fish of the genus {Menticirrus},
       especially {M. saxatilis}, or {M. 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.

Source : WordNet®

kingfish
     n 1: the lean flesh of any of several fish caught off the
          Atlantic coast of the United States
     2: large edible mackerel of temperate United States coastal
        Atlantic waters [syn: {cero}, {pintado}, {Scomberomorus
        regalis}]
     3: small silvery marine food fish found off California [syn: {white
        croaker}, {chenfish}, {Genyonemus lineatus}]
     4: any of several food and game fishes of the drum family
        indigenous to warm Atlantic waters of the North American
        coast
     5: large game fish of Australia and New Zealand [syn: {Seriola
        grandis}]
     [also: {kingfishes} (pl)]