noun
- Tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). holy thistle. Retrieved September 21, 2026, from http://smartdefine.org/holy_thistle/definitions/1285410 |
| Chicago | WordNet. 2010. "holy thistle" http://smartdefine.org/holy_thistle/definitions/1285410 (accessed September 21, 2026). |
| Harvard | WordNet 2010, holy thistle, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/holy_thistle/definitions/1285410>. |
| MLA | WordNet. "holy thistle" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/holy_thistle/definitions/1285410> |