noun
- Tropical American click beetle having bright luminous spots.
- synonyms: fire beetle, Pyrophorus noctiluca
- Nocturnal beetle common in warm regions having luminescent abdominal organs.
- synonyms: lightning bug
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). firefly. Retrieved September 20, 2026, from http://smartdefine.org/firefly/definitions/1198416 |
| Chicago | WordNet. 2010. "firefly" http://smartdefine.org/firefly/definitions/1198416 (accessed September 20, 2026). |
| Harvard | WordNet 2010, firefly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/firefly/definitions/1198416>. |
| MLA | WordNet. "firefly" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/firefly/definitions/1198416> |