(n.) A plant of the Rubia (R. tinctorum). The root is much used in dyeing red, and formerly was used in medicine. It is cultivated in France and Holland. See Rubiaceous.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). madder. Retrieved September 22, 2026, from http://smartdefine.org/madder/definitions/2029625 |
| Chicago | Webster's. 2011. "madder" http://smartdefine.org/madder/definitions/2029625 (accessed September 22, 2026). |
| Harvard | Webster's 2011, madder, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/madder/definitions/2029625>. |
| MLA | Webster's. "madder" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/madder/definitions/2029625> |