cash on delivery (C.O.D.), also called collect on delivery, a common business term indicating that goods must be paid for at the time of delivery.
Cod ( pl. : cod) is the common name for the demersal fish genus Gadus, belonging to the family Gadidae. Cod is also used as part of the common name for a number of other fish species, and one species that belongs to genus Gadus is commonly not called cod (Alaska pollock, Gadus chalcogrammus).