machine shop
noun [ C ]
PRODUCTION ukusa room or building in a factory where there are machines for making things, especially for cutting and working with metal:
The facilities included a machine shop equipped with lathes and drilling machines.
I spent two years in the machine shop learning turning and welding.
US
a small company that uses machines to make or repair things, especially by cutting and working with metal:
He got a job in a machine shop in Portland, Oregon.