Meaning of crown vetch in English:

crown vetch

noun

Botany
  • Any of various plants belonging (or formerly belonging) to the genus Coronilla (family Fabaceae), native to Africa, Eurasia and certain Atlantic islands; especially Securigera varia, a trailing plant with pink and white flowers, grown as ground cover in the United States.

Origin

Mid 19th century; earliest use found in Agriculturist's Manual.