noun
haddock
HAD-uk/ˈhædək/
A North Atlantic fish related to cod and eaten as food.
The haddock's dark shoulder blotch is visible above its lateral line.

Etymology
The name has long denoted this North Atlantic food fish, but its origin is unknown. Its ending may be diminutive, though no secure root can be identified.
In context
The question is, what is better for fish and chips? Haddock or cod? I'm going to test what's better, cod or haddock, or haddock or cod
More examples
- She baked the haddock with lemon.
- A dark shoulder mark helped identify the haddock.
- The fishmonger displayed fresh haddock on ice.
Forms
haddock · haddocks
Similar words
- cod
- Cod is a related fish with different markings; haddock has a distinctive dark shoulder blotch.
- pollock
- Pollock is another related fish with different identifying features and coloration.