1Of cloth or wool: dyed or coloured with woad (now chiefly historical). Of a person or human body: painted or adorned with blue body paint or dye made from woad; compare "woad"(now rare).
2Designating a colour, especially black, that results from dyeing cloth or wool that has previously been dyed with woad; compare woading . Also: designating a dye which has a basis of woad or is made from woad. Now chiefly historical.
Mid 16th century. Partly from woad + -ed.