I. ˈkäd noun
( plural cod also cods )
Etymology: Middle English
Date: 14th century
1. : any of various bottom-dwelling fishes (family Gadidae, the cod family) that usually occur in cold marine waters and often have barbels and three dorsal fins: as
a. : one ( Gadus morhua ) of the North Atlantic that is an important food fish
b. : one ( Gadus macrocephalus ) of the Pacific Ocean
2. : any of various bony fishes resembling the true cods
II. abbreviation
codex