The phrase "start gun" is correct and usable in written English.
It is typically used in the context of races or competitions to indicate the signal to begin.
Example: "As soon as the start gun fired, the runners took off down the track."
Alternatives: "starting pistol" or "starting signal".
"Some need to scowl, stare and pump music into their heads to accompany their defiant strut before the start gun.
There are other factors, such as the technique of getting away from the electronic gate as the start gun fires, as Dyer explains.
A baptism of bubbly, with glitches, for two of the new boats in the new Audi MedCup turns into a baptism of fire when the start gun for the first race sounds off Cascais, Lisbon on Wednesday.
The non-climbers and anyone who is tired will pray for a steady ride up the Col du Glandon, which begins at the start gun; they may not get it, as the scenario here is for an early break to contest the stage win while the overall contenders watch and wait.
I will readily admit to using a Ramones playlist to get me to the finish line, but even I was surprised, when I ran the marathon last year, by the plethora of runners who plugged in even before the start gun was fired.
Some of the sport's greatest, such as Killian Jornet and Anna Frost, rub shoulders and happily chat with the middle and back of the pack runners at the start of races – before disappearing in a cloud of dust when the start gun fires.
Time to abandon any pretence of being a shy lady novelist and start gun-slinging on the internet … Mark King I published my novel, The Life & Death of Henry Black, on the Amazon Kindle site in July 2011.
Blank cartridge is widely used for shooting practice, for start guns, or in theaters etc. [ 1, 3].
The starting gun has been fired.
And then they fired the starting gun.
It's not even a starting gun.
