noun
1. : any of several western American cruciferous herbs of the genus Cheiranthus having large yellow flowers
2. : any of several plants of the genus Erysimum
noun
1. : any of several western American cruciferous herbs of the genus Cheiranthus having large yellow flowers
2. : any of several plants of the genus Erysimum
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012