Category:Senna

Sen"na, n. Etym: [cf. It. & sp. sena, pg. sene, f. séné; all fr. Ar. Sana.]

1. (med.)

Defn: the leaves of several leguminous plants of the genus cassia. (c. acutifolia. C. angustifolia, etc.). They constitute a valuable But nauseous cathartic medicine.

2. (bot.)

Defn: the plants themselves, native to the east, but now cultivated Largely in the south of europe and in the west indies. Bladder senna. (bot.) See under bladder. -- wild senna (bot.), the cassia marilandica, growing in the united States, the leaves of which are used medicinally, like those of the Officinal senna.