| ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun | (baseball) a pitch thrown with maximum velocity |
| an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable | a projectile that is fired from a gun |
| a module designed to be inserted into a larger piece of equipment | a high-speed passenger train |
| a light-tight supply chamber holding the film and supplying it for exposure as required | |