烏う頭ず

noun

dried aconite root; monkshood

Refers to the processed root of the aconite plant, used in traditional Chinese medicine (Kampo). The plant itself is highly toxic; the dried root is used in small, carefully prepared doses.

• 漢かん方ぽうでは、烏う頭ずは冷ひえ性しょうや痛いたみに用もちいられることがある。

  In Kampo medicine, dried aconite root is sometimes used for sensitivity to cold and pain.

• 烏う頭ずはトリカブトの根ねを乾かん燥そうさせた生しょう薬やくです。

  烏頭 is a crude drug made by drying the root of the aconite plant.