Woad: meaning, definitions and examples

plant dye

Woad is a plant, specifically Isatis tinctoria, that has been historically significant as a source of blue dye. The leaves of the woad plant contain a pigment known as indican, which can be converted into a blue dye through a fermentation process. Woad was widely used in medieval Europe before the introduction of indigo from the Americas. It has been associated with various cultural practices and was famously used by the Celts. Although less common today, woad is still of interest to dye enthusiasts and artists.

Isatis tinctoria, blue dye, indigo source

Examples of usage

• Woad was once essential for producing blue textiles.

• Many artists appreciate woad for its natural dye properties.

• Historical reenactors often use woad to dye their costumes.