- Of a deep reddish purple colour, like that of the dye.
- comparative form of mad: more mad
- The root of the plant, used as a medicine or a dye.
- A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye obtained from the root.
- A deep reddish purple colour, like that of the dye.
"madder colour: "
- Obsolete form of mether.
- A dye made from the plant.