noun
- A cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits.
- Any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil.
- synonyms: echinocactus
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). barrel cactus. Retrieved September 20, 2026, from http://smartdefine.org/barrel_cactus/definitions/1236966 |
| Chicago | WordNet. 2010. "barrel cactus" http://smartdefine.org/barrel_cactus/definitions/1236966 (accessed September 20, 2026). |
| Harvard | WordNet 2010, barrel cactus, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/barrel_cactus/definitions/1236966>. |
| MLA | WordNet. "barrel cactus" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/barrel_cactus/definitions/1236966> |