stockfishPronunciation: /ˈstɒkfɪʃ/Definition of stockfish noun (plural same or stockfishes) 1a commercially valuable hake of coastal waters of southern Africa. Merluccius capensis, family Merlucciidae 2 [mass noun] cod or a similar fish split and dried in the open air without salt. Origin: Middle English (in sense 2): from Middle Low German, Middle Dutch stokvisch, of unknown origin; sense 1 (early 19th century) from South African Dutchstockfish in other Oxford dictionaries Definition of stockfish in the US English dictionary