Definition of woad
: a European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves; also : this dyestuff
Origin of woad
Middle English wod, from Old English wād; akin to Old High German weit woad, Latin vitrum
First Known Use: before 12th century
Learn More about woad
Britannica.com: Encyclopedia article about "woad"
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