woad
woad \'wo-d\ n [ME wod, fr. OE wa-d; akin to OHG weit woad, L vitrumX woad, glass : a European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves; also : this dyestuff
Webster's English Dictionarywoad \'wo-d\ n [ME wod, fr. OE wa-d; akin to OHG weit woad, L vitrumX woad, glass : a European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves; also : this dyestuff