kingfish

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several food and game fishes of the family Sciaenidae, especially of the genus Menticirrhus, found in western Atlantic waters.
• noun Any of various carangid fishes.
• noun Informal A person in a position of uncontested authority or influence, especially a powerful political leader.

from The Century Dictionary.

• noun One of various fishes, of large size or of excellent quality, belonging to different families

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.
• noun The opah.
• noun The common cero; also, the spotted cero. See cero.
• noun The queenfish.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any of several food fishes of the genus Menticirrhus from the Atlantic.
• noun Any of several similar fishes of the Pacific.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the lean flesh of any of several fish caught off the Atlantic coast of the United States
• noun any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast
• noun large game fish of Australia and New Zealand
• noun large edible mackerel of temperate United States coastal Atlantic waters
• noun small silvery marine food fish found off California