A manual worker; a labourer or artisan.
Someone who builds or repairs machinery, a technician; now specifically, someone who works with and repairs the mechanical parts of a motor vehicle, aircraft or similar.
A device, command, or feature which allows someone to achieve a specific task.
A hit man.
Mechanical; relating to the laws of motion in the art of constructing things
Of or relating to a mechanic or artificer, or to the class of artisans; hence, rude; common; vulgar; base.