Senna /(?)/

Sen·na

Senna

n.
  1. The leaves of several leguminous plants of the genus Cassia. (Cassia acutifolia, Cassia angustifolia, etc.). They constitute a valuable but nauseous cathartic medicine. (Med.)
  2. The plants themselves, native to the East, but now cultivated largely in the south of Europe and in the West Indies. (Bot.)

Phrases & Compounds
Bladder senna
See under Bladder.
Wild senna
the Cassia Marilandica, growing in the United States, the leaves of which are used medicinally, like those of the officinal senna.