cartridge
n 1: cylindrical casing containing an explosive charge and a
bullet; fired from a rifle or handgun
2: a light-tight container holding the film and supplying it
for exposure as required [syn: {magazine}]
3: a module designed to be inserted into a larger piece of
equipment; "he loaded a cartridge of fresh tape into the
tape deck"
4: the part of the arm of a record player that holds the needle
and that is removable [syn: {pickup}]