machineryPronunciation: /məˈʃiːn(ə)ri/Translate machinery | into French | into German | into Italian | into Spanish Definition of machinery noun [mass noun] machines collectively:farm machinery the components of a machine: long hair should be tied back to avoid it getting stuck in machinery the organization or structure of something or for doing something:the machinery of the statemachinery in other Oxford dictionaries Definition of machinery in the US English dictionary