Source : WordNet®

rauwolfia
     n 1: any of several alkaloids extracted from the shrub Rauwolfia
          serpentina
     2: any shrub or small tree of the genus Rauwolfia having leaves
        in whorls and cymose flowers; yield substances used
        medicinally especially as emetics or purgatives or
        antihypertensives [syn: {rauvolfia}]