Senna
Senna , noun
[Compare Italian & Sp. sena, Portuguese sene, French séné; all from Arabic sanā.]
1.
(Medicine) The leaves of several leguminous plants of the genus Cassia. (Cassia acutifolia, Cassia angustifolia, etc.). They constitute a valuable but nauseous cathartic medicine.
2.
(Botany) The plants themselves, native to the East, but now cultivated largely in the south of Europe and in the West Indies.
Collocations (2)
Wild senna (Botany) , the Cassia Marilandica, growing in the United States, the leaves of which are used medicinally, like those of the officinal senna.