What does "long gun" mean?

A firearm, such as a shotgun or rifle, which is fired while braced against the shoulder.

What is a synonym for "long gun"?

Common synonyms include: culverin, garand, hackbut, musket, muskets, rifle.

noun

noun ·Rare ·Advanced level

Noun

1
A firearm, such as a shotgun or rifle, which is fired while braced against the shoulder.
"The 33 long guns and 37 handguns were seized during the project examining 69 cases where people failed to register or renew a firearm licence."
2
Any of a class of naval artillery pieces with especially long barrels for maximum range.

"The 33 long guns and 37 handguns were seized during the project examining 69 cases where people failed to register or renew a firearm licence."