1. (noun) a Japanese plant of the family Cruciferae with a thick green root

• brassicaceae
• cruciferae
• family brassicaceae
• family cruciferae
• mustard family

1. (noun) a Japanese plant of the family Cruciferae with a thick green root

• herb
• herbaceous plant

2. (noun) the thick green root of the wasabi plant that the Japanese use in cooking and that tastes like strong horseradish; in powder or paste form it is often eaten with raw fish

• condiment