noun
- Pappus of a thistle consisting of silky featherlike hairs attached to the seed-like fruit of a thistle. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). thistledown. Retrieved September 20, 2026, from http://smartdefine.org/thistledown/definitions/1236345 |
| Chicago | WordNet. 2010. "thistledown" http://smartdefine.org/thistledown/definitions/1236345 (accessed September 20, 2026). |
| Harvard | WordNet 2010, thistledown, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/thistledown/definitions/1236345>. |
| MLA | WordNet. "thistledown" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/thistledown/definitions/1236345> |