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
Recent Examples on the Web
On a Thursday in March, local haddock was on the lunch menu at nearby Westbrook High School.
—
Joe Hernandez, NPR, 23 May 2026
The Best Fish to Fry Most restaurants serving fried fish often opt for haddock or Alaskan cod.
—Jack Hennessy, Outdoor Life, 29 Apr. 2026
Use any firm, boneless white fish—such as cod, halibut, snapper, haddock, or others—and swap out the vegetables depending on your preferences.
—Jesse Szewczyk, Bon Appetit Magazine, 19 Mar. 2026
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.
—Md Published, Verywell Health, 12 Mar. 2026
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Joe Hernandez, NPR, 23 May 2026
The Best Fish to Fry Most restaurants serving fried fish often opt for haddock or Alaskan cod.
—Jack Hennessy, Outdoor Life, 29 Apr. 2026
Use any firm, boneless white fish—such as cod, halibut, snapper, haddock, or others—and swap out the vegetables depending on your preferences.
—Jesse Szewczyk, Bon Appetit Magazine, 19 Mar. 2026
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.
—Md Published, Verywell Health, 12 Mar. 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 3 Jun. 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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