madder

Any of several plants of the genus Rubia, especially R. tinctorum of Eurasia, having small yellow flowers, whorled leaves, and a reddish-brown root.

The root of R. tinctorum, formerly an important source of the dye alizarin.

A red dye obtained from these roots.

A medium to strong red or reddish orange.

A large wooden drinking-vessel.

Same as purple-black.

To dye with madder.

A plant of the genus Rubia, natural order Rubiaceæ, yielding a valuable dyestuff of the same name.

A dyestuff and pigment obtained from the roots of Rubia tinctorum and other plants of the same family.