1. (

• fire ,
• firing ,

) the act of firing weapons or artillery at an enemy; "hold your fire until you can see the whites of their eyes"; "they retreated in the face of withering enemy fire" ;

2. (

• discharge ,
• firing ,
• firing_off

) the act of discharging a gun ;

3. (

• ignition ,
• firing ,
• lighting ,
• kindling ,
• inflammation ,

) the act of setting something on fire ;

4. (

• dismissal ,
• dismission ,
• discharge ,
• firing ,
• liberation ,
• release ,
• sack ,
• sacking

) the termination of someone's employment (leaving them free to depart) ;