Definition of pepperwort in US English:

pepperwort

noun

  • A wild cress, particularly one with pungent leaves.

    Genus Lepidium, family Cruciferae

    Also called peppergrass
    • ‘The ‘wild cress’ called dittander or poor man's pepper and ‘Virginian cress’ (pepperwort, peppergrass) are both peppery.’

Pronunciation

pepperwort

/ˈpepərˌwərt/