| n. | 1. | The construction of a sewer or sewers. |
| 2. | The system of sewers in a city, town, etc.; the general drainage of a city or town by means of sewers. | |
| 3. | The material collected in, and discharged by, sewers. |
| Noun | 1. | sewerage - waste matter carried away in sewers or drains Synonyms: sewage |
| 2. | sewerage - a waste pipe that carries away sewage or surface water |