noun
Japanese angelica; Angelica acutiloba
An aromatic herb native to Japan, used in traditional medicine and cooking. Often referred to by its Japanese name, トウキ.
トウキは漢方薬によく使われる生薬の一つです。
Japanese angelica is one of the crude drugs often used in Kampo medicine.
noun
dong quai; Chinese angelica; Angelica sinensis
Rare term; usually referred to as 唐当帰 (からとうき) in Japanese. A Chinese herb used for gynecological conditions.
See also: 唐当帰
中国では、トウキ（当帰）は婦人科の漢方薬として有名です。
In China, dong quai is famous as a herbal medicine for gynecological conditions.
Specifically refers to Chinese angelica (Angelica sinensis), while トウキ usually means Japanese angelica (Angelica acutiloba).
The kanji 当帰 literally means 'should return', possibly from the belief that the herb helps restore health. The Japanese reading とうき is the on'yomi of these characters.