From Longman Dictionary of Contemporary Englishmachine shopmaˈchine ˌshop noun [countable] a place where people make products, especially out of metal, using machines to cut and shape themFrom Longman Business Dictionarymachine shopmaˈchine shop1 (also machine room)MANUFACTURING the place in a factory where products are made using machinesOne or two grinders in the machine shop have excessive maintenance costs.The new equipment was delivered and located in the East machine room.2American English a company, often a small one, that makes things using machinesThe new products will target machine shops and manufacturers of electrical equipment. → shop