Barrel roll and Gun barrel

Barrel roll noun - A roll in which the plane follows a spiral course.

Gun barrel and barrel roll are semantically related in drum topic. In some cases you can use "Gun barrel" instead a noun phrase "Barrel roll".

Gun barrel noun - A tube through which a bullet travels when a gun is fired.

Barrel roll and gun barrel are semantically related in drum topic. You can use "Barrel roll" instead a noun phrase "Gun barrel".