Styp·tic a.  Producing contraction; stopping bleeding; having the quality of restraining hemorrhage when applied to the bleeding part; astringent. [Written also stiptic.]
  Styptic weed Bot., an American leguminous herb (Cassia occidentalis) closely related to the wild senna.
  styptic weed
       n : very leafy malodorous tropical weedy shrub whose seeds have
           been used as an adulterant for coffee; sometimes
           classified in genus Cassia [syn: coffee senna, mogdad
           coffee, stinking weed, Senna occidentalis, Cassia
           occidentalis]