[1] : The Collaborative International Dictionary of English v.0.48

vervain \ver"vain\, n. oe. verveine, f. verveine, fr. l.
   verbena, pl. verbenae sacred boughs of laurel, olive, or
   myrtle, a class of plants; cf. verbenaca vervain. cf.
   verbena. bot.
   any plant of the genus verbena.
   1913 webster

   vervain mallow bot., a species of mallow malva alcea
      with rose-colored flowers.
      1913 webster
see also:
verbena vervain mallow malva alcea 

[2] : WordNet (r) 2.0

vervain
     n : any of numerous tropical or subtropical american plants of
         the genus verbena grown for their showy spikes of
         variously colored flowers syn: verbena
see also:
verbena 

Vervain >> V Words
Vervain, definition of term: Vervain
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