haddock

noun

had·​dock ˈha-dək 

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

Aboard the ship, the impressive cuisine includes fresh fish bought locally (including Arctic char, halibut, cod, and haddock), local cheeses and charcuterie, and Icelandic beers, schnapps, and vodka on the official cruise line of the James Beard Foundation. —Jeri Clausing, AFAR Media, 7 Aug. 2025

Cod, freshly-cut each day and from the Atlantic Ocean, is one of the most popular catches, along with catfish, tilapia, and haddock. —Amanda Hancock, The Courier-Journal, 2 July 2025

The study authors, however, were somewhat surprised to also find positive health outcomes associated with lean fish such as cod, haddock, and pollock. —Tom Gavin, EverydayHealth.com, 4 Mar. 2025

Some safe fish options include salmon, haddock, flounder, freshwater tuna, and shrimp. —Lana Barhum, Verywell Health, 21 Jan. 2025

Word History

Etymology

Middle English haddok

First Known Use

14th century, in the meaning defined above

Rhymes for haddock

• paddock
• dyadic
• faradic
• monadic
• nomadic
• sporadic
• triadic

Kids 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