Definition of yellow cress in English:

yellow cress

noun

  • Any plant of the genus Rorippa (family Brassicaceae), the members of which are closely related to watercress and have yellow flowers.

    Watercress, which has white flowers, has sometimes been included in this genus.

Origin

Early 17th century; earliest use found in John Florio (1553–1625), author and teacher of languages.