sewers
n. plural-only B2 Upper Intermediate US //ˈsuɝz// sew·ers
n. the large underground pipes that carry away waste water and dirty water from buildings. They keep cities clean by moving waste to treatment plants.
n. an underground system of conduits or pipes designed to carry off drainage water and waste matter. Often used in the plural to refer to the physical network of a city.
The city is repairing the old sewers this summer.
Heavy rainfall caused the sewers to overflow, leading to temporary flooding in the lower parts of the city.
Urban planners must account for the increasing pressure on Victorian-era sewers as the population density of the city center continues to rise beyond original design capacities.
Usage
Usually appears in the plural form when referring to the infrastructure of a town or city.