WOAD
woad
(noun) any of several herbs of the genus Isatis
woad
(noun) a blue dyestuff obtained from the woad plant
Source: WordNet® 3.1
Etymology
Noun
woad (usually uncountable, plural woads)
(countable) The plant Isatis tinctoria.
(countable and uncountable) The blue dye made from the leaves of the plant.
Synonyms
• (the plant): glastum, Isatis tinctoria
• (the blue dye): indigo, indigotin
Verb
woad (third-person singular simple present woads, present participle woading, simple past and past participle woaded)
To plant or cultivate woad.
To dye with woad.
Source: Wiktionary
Woad, n. Etym: [OE. wod, AS. wad; akin to D. weede, G. waid, OHG.
weit, Dan. vaid, veid, Sw. veide, L. vitrum.] [Written also wad, and
wade.]
1. (Bot.)
Definition: An herbaceous cruciferous plant (Isatis tinctoria). It was
formerly cultivated for the blue coloring matter derived from its
leaves.
2. A blue dyestuff, or coloring matter, consisting of the powdered
and fermented leaves of the Isatis tinctoria. It is now superseded by
indigo, but is somewhat used with indigo as a ferment in dyeing.
Their bodies . . . painted with woad in sundry figures. Milton.
Wild woad (Bot.), the weld (Reseda luteola). See Weld.
– Woad mill, a mill grinding and preparing woad.
Source: Webster’s Unabridged Dictionary 1913 Edition