Definition

1. Noun:
   • A sewer line is a large, primary pipe that carries wastewater and sewage away from buildings and streets to a treatment facility or disposal point. It is a central conduit within a sewage system.

Usage

• The term sewer line specifically refers to the main underground pipe. It is often used in contexts involving municipal infrastructure, construction, and plumbing.
• It is typically a countable noun (e.g., , ).

Examples

• The city is replacing the aging sewer line under Main Street.
• A blockage in the main sewer line caused backups in several homes.
• Before building the foundation, workers had to relocate a sewer line.

Advanced Usage

• "sanitary sewer line": Specifically carries wastewater from bathrooms and kitchens.
• "storm sewer line": Carries rainwater and surface runoff.

Variants and Related Words

• Sewer (noun): Can refer more generally to the entire underground passage or system for carrying sewage, or be used synonymously with .
• Sewer main (noun): A direct synonym for .
• Main (noun): In context, can be short for or .

Synonyms

• Sewer main
• Drain line (in specific contexts)
• Waste line (in specific contexts)

Antonyms & Contrasts

• Water main: A principal pipe in a system for distributing potable water.
• Laterals/Sewer laterals: Smaller pipes that connect individual buildings to the main sewer line.

Noun

1. a main in a sewage system