plural haddock also haddocks
: an important food fish (Melanogrammus aeglefinus synonym 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
Examples of haddock in a Sentence
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From a nutritional standpoint, haddock and cod are nearly identical, although haddock has slightly more vitamin B12, essential to red blood cell production, while cod has slightly less sodium and more omega-3 fatty acids, beneficial to heart health and blood pressure control.
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Md Published, Verywell Health, 12 Mar. 2026
Lean fish like cod, halibut, and haddock can keep for 6 to 8 months.
—Alexandra Emanuelli, Southern Living, 24 Feb. 2026
Nappie's Food Service in North Fayette has aisles and aisles of fish ready to supply Pennsylvania, Ohio, West Virginia and Maryland with cod, haddock, pollock and all types of seafood for fish frys.
—Barry Pintar, CBS News, 18 Feb. 2026
The crew is shown working in dangerous weather conditions for hours on end, spending as many as 10 days offshore catching haddock, lobster and flounder.
—ABC News, 18 Feb. 2026
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Md Published, Verywell Health, 12 Mar. 2026
Lean fish like cod, halibut, and haddock can keep for 6 to 8 months.
—Alexandra Emanuelli, Southern Living, 24 Feb. 2026
Nappie's Food Service in North Fayette has aisles and aisles of fish ready to supply Pennsylvania, Ohio, West Virginia and Maryland with cod, haddock, pollock and all types of seafood for fish frys.
—Barry Pintar, CBS News, 18 Feb. 2026
The crew is shown working in dangerous weather conditions for hours on end, spending as many as 10 days offshore catching haddock, lobster and flounder.
—ABC News, 18 Feb. 2026
See All Example Sentences for haddock
Cite this Entry
“Haddock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/haddock. Accessed 17 Mar. 2026.
Copy CitationKids Definition
haddock
noun
had·dock
ˈhad-ək 
plural haddock also haddocks
: an important food fish of the Atlantic that is usually smaller than the related common cod
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