Woad - English meaning

noun

A yellow-flowered european plant of the cabbage family. it was formerly widely grown in britain as a source of blue dye, which was extracted from the leaves after they had been dried, powdered, and fermented.

Usage examples:

The distinctive blue dye used by the picts to tattoo themselves came from the woad plant, which gro…

noun

A european plant whose leaves can be used to make a blue dye (= a substance used to change the colour of something)

Usage examples:

They used the plant woad to make a blue dye for colouring clothes and, some believe, their skins., …