sew ‧ er ‧ age /ˈsjuːərɪdʒ, ˈsuː- $ ˈsuː-/ BrE AmE noun [uncountable]
the system by which waste material and used water are carried away in sewers and then treated to stop them being harmful
sew ‧ er ‧ age /ˈsjuːərɪdʒ, ˈsuː- $ ˈsuː-/ BrE AmE noun [uncountable]
the system by which waste material and used water are carried away in sewers and then treated to stop them being harmful
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012