noun
- Rock-inhabiting fern of northern North America growing in massive tufts and having fronds resembling parsley.
- synonyms: American parsley fern, Cryptogramma acrostichoides
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). american rock brake. Retrieved September 26, 2026, from http://smartdefine.org/american_rock_brake/definitions/1242353 |
| Chicago | WordNet. 2010. "american rock brake" http://smartdefine.org/american_rock_brake/definitions/1242353 (accessed September 26, 2026). |
| Harvard | WordNet 2010, american rock brake, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/american_rock_brake/definitions/1242353>. |
| MLA | WordNet. "american rock brake" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/american_rock_brake/definitions/1242353> |