Definition of herb Robert in US English:

herb Robert

noun

  • A common cranesbill with pungent-smelling red-stemmed leaves and pink flowers, native to north temperate regions.

    Geranium robertianum, family Geraniaceae

Origin

Translating medieval Latin herba Roberti, variously supposed to refer to Robert Duke of Normandy, St Robert, or St Rupert.

Pronunciation

herb Robert

/ˈˌ(h)ərb ˈräbərt/