cartridge - noun

ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun

a light-tight supply chamber holding the film and supplying it for exposure as required

a module designed to be inserted into a larger piece of equipment

an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable

cartridge - thesaurus

magazine   pickup