noun
- Prickly bushy Eurasian plant; a troublesome weed in central and western United States.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). russian thistle. Retrieved September 21, 2026, from http://smartdefine.org/russian_thistle/definitions/1236916 |
| Chicago | WordNet. 2010. "russian thistle" http://smartdefine.org/russian_thistle/definitions/1236916 (accessed September 21, 2026). |
| Harvard | WordNet 2010, russian thistle, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/russian_thistle/definitions/1236916>. |
| MLA | WordNet. "russian thistle" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/russian_thistle/definitions/1236916> |