[ had-uh k ]
/ ˈhæd ək /

noun, plural (especially collectively) had·dock, (especially referring to two or more kinds or species) had·docks.

a North Atlantic food fish, Melanogrammus aeglefinus, of the cod family.
the rosefish, Sebastes marinus.

Origin of haddock

1275–1325; Middle English haddok; see -ock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for haddock

/ (ˈhædək) /

noun plural -docks or -dock

a North Atlantic gadoid food fish, Melanogrammus aeglefinus: similar to but smaller than the cod

Word Origin for haddock

C14: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012