sewage worksBrE/ˈsuːɪdʒ wɜːks/, /ˈsjuːɪdʒ wɜːks/NAmE/ˈsuːɪdʒ wɜːrks/ (also sewage ˈtreatment works, sewage disˈposal works) noun[C + sing./pl. v.] (BrE) aplacewherechemicalsareusedtocleansewage so that it can then be allowed to go into rivers, etc. or used to make manure污水处理厂