[cod] abbreviation codex COD abbreviation carrier onboard delivery, cash on delivery, collect on delivery; cod [cod] n, pl cod also cods [ME] (14c) 1: any of various bottom-dwelling fishes (family Gadidae, the cod family) that usu. occur in cold marine waters and often have barbels and three dorsal fins: as a: one (Gadus morhua) of the No. 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