noun
: a European perennial twining herb ( Cynanchum nigrum ) that is occasionally cultivated and sometimes escaped in No. America and has purple-brown or dark purple flowers with triangular ovate petals
noun
: a European perennial twining herb ( Cynanchum nigrum ) that is occasionally cultivated and sometimes escaped in No. America and has purple-brown or dark purple flowers with triangular ovate petals
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012