1. a bitter and very toxic glycoside derived from plants of the genus Strophanthus; in moderate doses it is a cardiac stimulant but in larger doses it is a powerful poison; used in Africa as an arrow poison;
WordNet (r) 3.0 (2006):
strophanthin
n 1: a bitter and very toxic glycoside derived from plants of
the genus Strophanthus; in moderate doses it is a cardiac
stimulant but in larger doses it is a powerful poison; used
in Africa as an arrow poison