Sewer commonly refers to a part of sewerage, the infrastructure that conveys sewage.
Types of sewers include:
Combined sewer Effluent sewer Gravity sewer Sanitary sewer Storm sewer Vacuum sewer Other uses: Sewer, a royal or noble attendant who oversees meat or other dishes while dining Sewer, one who does sewing
See also Sewage, wastewater produced by a community of people Sewer overflow (disambiguation)