Sewer-pipe is a term commonly used to refer to a pipe that carries wastewater from a property to a treatment plant. However, there are different synonyms for sewer-pipe, including sewer line, drainpipe, waste pipe, drainage system, sewage system, and underground conduit. These terms describe a system that safely disposes of wastewater from homes, buildings, and other facilities. Sewer lines or drainpipes are the conduits that transport wastewater from homes to the sewage treatment plant or the receiving water body. Understanding these synonyms can be helpful in discussions related to the management, installation, or maintenance of sewer-pipes or the sewage system.