Isatis \I"sa*tis\ (?; 277), n. [L., a kind of plant, Gr. ?
woad.]
(Bot.)
A genus of herbs, some species of which, especially the
Isatis tinctoria, yield a blue dye similar to indigo; woad.
[1913 Webster]
Isatis
noun1: Old World genus of annual to perennial herbs: woad [syn: Isatis, genus Isatis]
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