From Longman Dictionary of Contemporary Englishmachine toolmaˈchine ˌtool noun [countable] TIa tool for cutting and shaping metal, wood etc, usually one that uses electricityFrom Longman Business Dictionarymachine toolmaˈchine tool MANUFACTURING a powerful tool used for cutting and shaping metal, for example for making parts for cars, engines, machinery etcThere’s been a slump in demand for machine tools and other capital goods. → tool