1. (

• gun

) a weapon that discharges a missile at high velocity (especially from a metal tube or barrel) ;

2. (

• artillery ,
• heavy_weapon ,
• gun ,
• ordnance ,

) large but transportable armament ;

3. (

• gunman ,
• gun ,

) a person who shoots a gun (as regards their ability) ;

4. (

• gunman ,
• gunslinger ,
• hired_gun ,
• gun ,
• gun_for_hire ,
• triggerman ,
• hit_man ,
• hitman ,
• torpedo ,
• shooter ,

) a professional killer who uses a gun ;

5. (

• grease_gun ,
• gun ,

) a hand-operated pump that resembles a pistol; forces grease into parts of a machine ;

6. (

• accelerator ,
• accelerator_pedal ,
• gas_pedal ,
• gas ,
• throttle ,
• gun ,

) a pedal that controls the throttle valve; "he stepped on the gas" ;

7. (

• gun

) the discharge of a firearm as signal or as a salute in military ceremonies; "two runners started before the gun"; "a twenty gun salute" ;

1. (

• gun

) shoot with a gun ;