- any of a genus (Isatis) of plants of the crucifer family
- the blue dye obtained from the dried, fermented leaves of such plants
Origin of woadMiddle English wod from Old English wad from Germanic an unverified form waizda- (from source German waid), akin to Classical Latin vitrum, woad
- An annual Eurasian plant (Isatis tinctoria) in the mustard family, formerly cultivated for its leaves that yield a blue dye.
- The dye obtained from this plant.
Origin of woadMiddle English wode from Old English wād
(usually uncountable, plural woads)
(third-person singular simple present woads, present participle woading, simple past and past participle woaded)