senna
/ˈsenə/noun
1- the cassia tree旃那树。
1.1
- mass noun a laxative prepared from the dried pods of this tree旃那树干荚果中提取的泄剂。
1.2
- used in names of similar plants of the pea family, e.g. bladder senna, scorpion senna［用于其他类似豆科植物名中, 如bladder senna, scopion senna］。
词源
mid 16th cent.: from medieval Latin sena, from Arabic sanā.