noun
dried and smoked plum
A processed plum used in traditional Chinese medicine and as a natural dye. Not a common everyday food item; primarily a technical or historical ingredient.
烏梅は漢方薬の材料として使われる。
Ubai is used as an ingredient in Chinese herbal medicine.
この布は烏梅で染められた。
This cloth was dyed with ubai.
The term 烏梅 (うばい) literally means 'crow plum,' referring to the dark color of the smoked fruit. The exact historical derivation is uncertain, but it is a traditional Chinese medicinal and dyeing ingredient.