Senna

n.	1.	(Med.) 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.) 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.

Noun

1.

senna - any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowers; many are used medicinally

Alexandria senna, Alexandrian senna, avaram, bush, Cassia acutifolia, Cassia alata, Cassia augustifolia, Cassia auriculata, Cassia occidentalis, coffee senna, genus Senna, Indian senna, mogdad coffee, ringworm bush, ringworm cassia, ringworm shrub, Senna alata, Senna alexandrina, Senna auriculata, Senna occidentalis, shrub, stinking weed, styptic weed, tanner's cassia, tinnevelly senna, true senna