Pronunciation enPR: mə-shē'nə-rē, IPA (key): /məˈʃiːnəri/ Audio (US)(file) Noun Singular machinery Plural machineries The group of machines that make up a production apparatus in a plant. The working parts of a machine as a group. The group of parts of something which allows it to function. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads