vervain Hear it!

vervain Definition

ver·vain (vʉrvān′)

noun

any of a number of verbenas; esp.,

  1. the European vervain (Verbena officinalis), formerly used in folk medicine
  2. any of several species of North American verbena, not generally cultivated

Etymology: ME verveine < OFr < L verbena: see verbena

adjective

verbena