The Collaborative International Dictionary of English v.0.48:

Sciaenoid \Sci*ae"noid\, a. [L. sciaena a kind of fish (fr. Gr.
   ?) + -oid.] (Zool.)
   Of or pertaining to the Sciaenidae, a family of carnivorous
   marine fishes which includes the meagre (Sciaena umbra or
   Sciaena aquila), and fish of the drum and croaker
   families. The croaker is so called because it may make a
   croaking noise by use of its bladder; the Atlantic croaker
   (Micropogonias undulatus, formerly Micropogon undulatus)
   and the squeteague are a members of the croaker family, and
   the kingfish is a drum.
   [1913 Webster +PJC]

The Collaborative International Dictionary of English v.0.48:

Kingfish \King"fish`\ (k[i^]ng"f[i^]sh`), 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.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Queenfish \Queen"fish`\, n. (Zool.)
   A California sci[ae]noid food fish (Seriphys politus). The
   back is bluish, and the sides and belly bright silvery.
   Called also kingfish.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cero \Ce"ro\, n. [Corrupt. fr. Sp. sierra saw, sawfish, cero.]
   (Zool.)
   A large and valuable fish of the Mackerel family, of the
   genus Scomberomorus. Two species are found in the West
   Indies and less commonly on the Atlantic coast of the United
   States, -- the common cero (Scomberomorus caballa), called
   also kingfish, and spotted, or king, cero (Scomberomorus
   regalis).
   [1913 Webster]

WordNet (r) 3.0 (2006):

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, kingfish,
       Scomberomorus regalis]
    3: small silvery marine food fish found off California [syn:
       white croaker, chenfish, kingfish, 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:
       kingfish, Seriola grandis]