madder

mad·der  (mdr)

n.

1.

a. A southwest Asian perennial plant (Rubia tinctorum) having small yellow flowers, whorled leaves, and a red root.

b. The root of this plant, formerly an important source of the dye alizarin.

c. A red dye obtained from the roots of this plant.

2. A medium to strong red or reddish orange.

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[Middle English, from Old English mædere.]

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madder

Noun

1. a plant with small yellow flowers and a red fleshy root

2. a dark reddish-purple dye formerly obtained from its root

3. an artificial pigment of this colour [Old English mædere]

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Madder of painters.

Thesaurus

Noun	1.	madder - Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin Rubia tinctorum madderwort, rubiaceous plant - any of numerous trees or shrubs or vines of the family Rubiaceae
Verb	1.	madder - color a moderate to strong red redden - make red; "The setting sun reddened the sky"