woad

A noun referring to a blue dye historically obtained from plants of the genus Isatis, or to the plants themselves.

• 🇨🇳指从菘蓝等十字花科植物中提取的蓝色染料，也指这些植物本身。

1. Blue dye C1 formal

   A blue dye historically obtained from the leaves of the woad plant, used for coloring textiles.

   • The ancient Britons used woad to dye their bodies blue.
   • Woad was a major trade commodity in medieval Europe.
   • The fabric was dyed with natural woad, giving it a deep blue hue.

   🇨🇳蓝色染料

2. Plant C1 formal

   Any of several plants of the genus Isatis, especially Isatis tinctoria, from which the blue dye is extracted.

   • Woad is a biennial plant with yellow flowers.
   • The farmer cultivated woad for its valuable dye.
   • Woad plants can grow up to one meter tall.

   🇨🇳菘蓝属植物

   同义词: pastel