machinist

n. one who is trained in the operation of machine tools; one who makes or repairs machines

This article is about an occupation. For the film, see The Machinist A machinist is a person who uses machine tools to make or modify parts, primarily metal parts. This is accomplished by using machine tools to cut away excess material such as a woodcarver cuts away excess wood to produce his work. In addition to metal, the parts may be made of many other kinds of materials, such as plastic or wood products. The goal of these cutting operations is to produce a part that conforms to a set of specifications, usually in the form of engineering drawings commonly known as blueprints.
See more at Wikipedia.org...

Noun
1. a craftsman skilled in operating machine tools
(synonym) mechanic, shop mechanic
(hypernym) craftsman, artisan, journeyman, artificer
(derivation) machine

n. engine driver, engineer, engine man, machinist

(n.)
One skilled in the use of machine tools.
  

(n.)
A person employed to shift scenery in a theater.
  

(n.)
A constrictor of machines and engines; one versed in the principles of machines.