noun
- A racehorse that is three years old.
- synonyms: three-year-old horse
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). three year old. Retrieved September 21, 2026, from http://smartdefine.org/three_year_old/definitions/1316107 |
| Chicago | WordNet. 2010. "three year old" http://smartdefine.org/three_year_old/definitions/1316107 (accessed September 21, 2026). |
| Harvard | WordNet 2010, three year old, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/three_year_old/definitions/1316107>. |
| MLA | WordNet. "three year old" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/three_year_old/definitions/1316107> |