Definition:
sennas
- sennasSENNA, a medicinal plant
- sennasany plant, shrub, or tree belonging to the genus Cassia, of the legume family, having pinnate leaves and large clusters of flowers
- sennassubshrubby senna, Cassia marilandica, of the eastern U.S., having yellow flowers
- sennasany of various cathartic drugs consisting of the dried leaflets of certain of these plants, as one drug (Alexandrian senna) derived from C. acutifolia, or another (Tinnevelly senna) derived from C. angustifolia