dyer's woad (noun)

1. The vibrant blue color of dyer's woad can be incorporated into the design scheme of an architecturally significant building or an interior space.

2. During the medieval period, dyer's woad was a highly valued plant as it was cultivated for its blue dye, which was used to color textiles.

3. In the anime series, the main character discovers a secret power after coming across a hidden field of dyer's woad flowers.

4. In the fantasy novel, the protagonist embarks on a quest to find the magical dyer's woad plant that can only be found in the deepest, most mystical forests.