What is the meaning of kingfish?

noun

• The lean flesh of any of several fish caught off the Atlantic coast of the United States.
• Large edible mackerel of temperate United States coastal Atlantic waters.
  • synonyms: cero, pintado, Scomberomorus regalis
• Small silvery marine food fish found off California.
  • synonyms: white croaker, chenfish, Genyonemus lineatus
• Any of several food and game fishes of the drum family indigenous to warm Atlantic waters of the North American coast.
• Large game fish of Australia and New Zealand.
  • synonyms: Seriola grandis