Definition of revolver in English:
revolver
NOUN
1A pistol with revolving chambers enabling several shots to be fired without reloading.
(Per the Oxford English dictionary)
While it is believed, that pistols evolved from the "hand cannom"
After the Chinese invented black powder during the 9th century,[1][2][3] these inventions were later transmitted to the Middle East, Africa, and Europe. The direct ancestor of the firearm is the fire lance. The prototype of the fire lance was invented in China during the 10th century and is the predecessor of all firearms.
Hand cannon from the Chinese Yuan Dynasty (1271-1368).
Where as long guns derived thier shape and basic function from crossbow, not the other way round, as is commonly thought. The crossbow has been around since 400BC (belly-bow)
