A portable mechanical, motorized saw. It is used in logging activities and used by tree surgeons to fell trees and remove branches and foliage.
It's frequently seen as a weapon in horror films, often inflicting extremely bloody wounds and severing limbs.
A few characters use this as their weapon of choice, namely Haruna, Juliet Starling and Denji.
The following tags implicate this tag: holding_chainsaw (learn more).