Definition of kingfish
1
: any of several marine croakers (family Sciaenidae)
a
: any of three fishes (Menticirrhus americanus, M. littoralis, and M. saxatilis) of shallow coastal waters of the Atlantic Ocean
b
: a small silvery food and sport fish (Genyonemus lineatus) of inshore waters especially of California — called also
white croaker
2
: king mackerel
3
: an undisputed master in an area or group
