From Longman Dictionary of Contemporary Englishworksworksa) [plural]TBC activities involved in building or repairing things such as roads, bridges etcengineering works/irrigation works/roadworks the official in charge of the engineering works → public works b) [countable] (plural works)TIF a building or group of buildings in which goods are produced in large quantities or an industrial process happensironworks/gasworks/cement etc works The brick works closed last year. → work
Examples from the Corpus
ironworks/gasworks/cement etc works• Pennsylvania, because it has a concentration of steel and cement works.• Albert Batchelor constructed a small cement works on the site known as Clinkham works which continued to operate until 1931.From Longman Business Dictionaryworksworks /wɜːkswɜːrks/ noun [plural]1old-fashionedMANUFACTURING a building or group of buildings in which goods are produced in large quantities or an industrial process happensThe brick works closed last year.2the activity involved in doing something on a large scaleWho is in charge of the engineering works? → public works → see also skunk works 