Definitions

1. noun

the part of a gun barrel that projects beyond the gun’s breech and supports the gun when it is fired

“The gun was positioned with its gunbarrel resting on the ground.”

2. noun

a long, narrow tunnel or passage, typically for shooting or aiming at a target

“The gunbarrel of the amusement park’s shooting gallery twisted and turned before the final target.”

3. noun

a course or path for something to follow or move along

“The new policy established a gunbarrel for all future investments to follow.”