Definition of bank cress in English:

bank cress

noun

Botany historical
rare
  • Any of various plants of the family Brassicaceae that have leaves with a peppery or sharp taste, especially winter cress and land cress (genus Barbarea), London rocket, Sisymbrium irio, and hedge mustard, Sisymbrium officinale; also in plural with singular concord.

Origin

Mid 16th century; earliest use found in William Turner (d. 1568), naturalist and religious controversialist.