Main Entry: had·dock

Pronunciation: \ˈha-dək\

Function: noun

Inflected Form(s): plural haddock also haddocks

Etymology: Middle English haddok

Date: 14th century

: an important food fish (Melanogrammus aeglefinus syn. Gadus aeglefinus) of the cod family occurring on both sides of the North Atlantic that has a black lateral line and dark patch above the pectoral fin