noun
: a tall European biennial herb ( Sisymbrium altissimum ) that has pinnatifid leaves and long slender seed pods and is often a troublesome weed in No. America
noun
: a tall European biennial herb ( Sisymbrium altissimum ) that has pinnatifid leaves and long slender seed pods and is often a troublesome weed in No. America
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012