noun
- A young female horse under the age of four. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). filly. Retrieved September 20, 2026, from http://smartdefine.org/filly/definitions/1199517 |
| Chicago | WordNet. 2010. "filly" http://smartdefine.org/filly/definitions/1199517 (accessed September 20, 2026). |
| Harvard | WordNet 2010, filly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/filly/definitions/1199517>. |
| MLA | WordNet. "filly" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/filly/definitions/1199517> |