watercress

/หˆwษ”หtษ™kษนษ›s/
noun
  1. 1

    A perennial European herb, Nasturtium officinale, that grows in freshwater streams; used in salads and as a garnish.

  2. 2

    A similar plant, Nasturtium microphyllum.

Source: https://en.wiktionary.org/wiki/watercress