Main Entry: weak·fish

Pronunciation: \ˈwēk-ˌfish\

Function: noun

Etymology: obsolete Dutch weekvis, from Dutch week soft + vis fish

Date: 1791

1 : a common marine bony fish (Cynoscion regalis of the family Sciaenidae) of the eastern coast of the United States that is an important sport and food fish —called also sea trout
2 : any of several fishes congeneric with the weakfish