noun
- Common domestic rat; serious pest worldwide.
- synonyms: Norway rat, Rattus norvegicus
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). brown rat. Retrieved September 21, 2026, from http://smartdefine.org/brown_rat/definitions/1199288 |
| Chicago | WordNet. 2010. "brown rat" http://smartdefine.org/brown_rat/definitions/1199288 (accessed September 21, 2026). |
| Harvard | WordNet 2010, brown rat, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/brown_rat/definitions/1199288>. |
| MLA | WordNet. "brown rat" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/brown_rat/definitions/1199288> |