a mechanical device that moves fluid or gas by pressure or suction | the discharge of a firearm as signal or as a salute in military ceremonies |
a low-cut shoe without fastenings | a weapon that discharges a missile at high velocity (especially from a metal tube or barrel) |
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body | large but transportable armament |
| a hand-operated pump that resembles a pistol; forces grease into parts of a machine |
| a pedal that controls the throttle valve |
| a professional killer who uses a gun |
| a person who shoots a gun (as regards their ability) |