noun
: any of various plants of the genus Cassia ; especially : a No. American perennial herb ( C. marilandica ) the leaves of which are used medicinally in the same manner as the officinal senna
noun
: any of various plants of the genus Cassia ; especially : a No. American perennial herb ( C. marilandica ) the leaves of which are used medicinally in the same manner as the officinal senna
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012