cudbear

Etymology
Corrupted from the name of Dr. Cuthbert Gordon, a Scotsman, who patented the process of manufacture.

Noun

 * 1) A violet-red powder, difficult to moisten with water, prepared from certain lichens, especially  (syn. ), and used for making violet or purple dye.
 * A, (, syn. ), from which the powder is obtained.
 * A, (, syn. ), from which the powder is obtained.

Synonyms

 * cudweed