sewer main
Noun: A sewer main is the primary, large-diameter pipe in a sewage system that collects and transports wastewater from smaller branch lines to a treatment facility or disposal point. It serves as the central conduit for a community's or area's sewage.
The term "sewer main" is used specifically to refer to the principal pipeline in an underground sewage infrastructure. - The city is replacing the aging sewer main under the street. - A blockage in the sewer main can cause backups in multiple homes.
- Municipal context: The term is most commonly used in civil engineering, urban planning, and public works discussions.
- The construction project was delayed due to the need to relocate a major sewer main.
- Sewer line: A more general term that can refer to any pipe in a sewage system, including the main line or smaller lateral lines.
- Main sewer: A synonymous phrase with the same meaning as "sewer main".
- Trunk sewer: A term often used interchangeably with "sewer main" to denote a large, primary collection line.
- Primary sewer conduit
- Main drainage pipe
"Sewer main" is a compound noun. Its meaning is distinct from its individual parts; "sewer" refers to the system for carrying away wastewater, and "main" indicates it is the principal pipe. It is a technical term within the field of sanitation and civil engineering.
- a main in a sewage system