nounpl. haddock haddock or had·docks
A food fish (Melanogrammus aeglefinus) of northern Atlantic waters, closely related to and resembling the cod, but having a dark spot above each pectoral fin.
Origin of haddockMiddle English haddok.
(plural haddock or haddocks)
- A marine fish, Melanogrammus aeglefinus, of the North Atlantic, important as a food fish.
Variant of haddock