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