noun
- The outline of a coast. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). coastline. Retrieved September 20, 2026, from http://smartdefine.org/coastline/definitions/1324194 |
| Chicago | WordNet. 2010. "coastline" http://smartdefine.org/coastline/definitions/1324194 (accessed September 20, 2026). |
| Harvard | WordNet 2010, coastline, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/coastline/definitions/1324194>. |
| MLA | WordNet. "coastline" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/coastline/definitions/1324194> |