In the true sense of a cannon (smooth bore) yes. If the field piece has a rifled bore then it is technically a rifle. Modern artillery is primarily composed of large bore rifles. Tanks are an exception to this, their main armament is commonly smooth bore, although more and more are starting to revert back to rifled bores.
There is really no antonym for the word cannon, but cannon does really mean large gun so the antonym would logically be small gun.
An Armstrong gun is a variety of gun, a wrought iron breechloading cannon.
what is the name of the gun on a tank
Bamboo and vines. Cannon.
A cannon
Usually a cannon
Cannon
you have to get the ten grams wieght abd the sticker from the side if the cannon and put it in the ten grams weight and the take the hammer and hit the barrel and get the gun powder and get the scales put the weight on one side and put the gun powder on the other sideand the put the gun powder in the cannon then put the cannon ball in the cannon and then light it with your matches
If NOT fired from the hand or shoulder, AND has a barrel 20mm or larger in diameter, it's a cannon. The M203 Grenade laucher is 40mm, but fired from the shoulder- not a cannon. The Bradley has a 25mm Chain Gun- over 19mm, not fired from shoulder- cannon.
A Machine gun can be hand held, and it functions by shooting rapid fire, while a cannon only shoots one large cannon and then you would need to re load it.
An old fashioned gun could be a cannon or a musket.
Cannon.