noun
Mechanical component: a rotating rod that transmits power, such as a drive shaft or axle.
エンジンのシャフトが折れてしまった。
The engine shaft broke.
After changing to a new shaft, my driving distance increased.
noun
mine shaft; pit
A vertical or inclined passage in a mine; often used in compound terms like シャフト工事 (shaft construction).
炭鉱のシャフトは深さが500メートルもある。
The mine shaft is as deep as 500 meters.