noun
- A system of watercourses or drains for carrying off excess water. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). drainage system. Retrieved September 20, 2026, from http://smartdefine.org/drainage_system/definitions/1203517 |
| Chicago | WordNet. 2010. "drainage system" http://smartdefine.org/drainage_system/definitions/1203517 (accessed September 20, 2026). |
| Harvard | WordNet 2010, drainage system, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/drainage_system/definitions/1203517>. |
| MLA | WordNet. "drainage system" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/drainage_system/definitions/1203517> |