"siege guns" is a correct and usable term in written English.
Siege guns are large cannons used to bombard a fortress or other defensive structure in order to weaken its defenses. For example, "The siege guns began to fire at dawn, shaking the walls of the castle."
These 420-millimetre siege guns proved too formidable for the forts, which one by one succumbed.
In China and India the response to the new siege guns was basically to build fortifications with thicker walls.
The siege guns begun firing on September 8 and, by September 14, had made sufficiently large breaches in the walls to launch an attack.
No sign of fatigue in his on field decision-making, but he has siege guns at his disposal – and that always helps.
He climbed up one of the siege guns along the river to get a better view, and with his glass spied rebels in the tower and a large cavalry nearby.
Grant's adjutant had placed a battery of enormous siege guns in the Union line at that particular point, and the very shock of its fire drove the Confederates back.
But you have to remember such fine players as Frik du Preez, Johan Claassen, Jan Pickard and Tiny Naude, the man with a siege gun kicking boot.
Buchanan recalls urging Nixon, "We've got to use the siege gun of the Presidency, and go right after these guys".
In the same gloomy basement the camera glances around, now down the sights of a siege gun to record a hit on the skeleton that was once the university's clinic, now into a broken mirror, finding the ruined objective reflected there.There is no emphasis on horror, rather an avoidance of it.
A mixed kicking game with Duncan Weir having a very rounded performance with the boot: chip-kick, cross-kick and siege gun touch finders a plenty.
The summit of the rock is occupied by St Margaret's Chapel and 15th-century siege gun Mons Meg.
