The DICT Development Group

  bullrush
      n 1: tall marsh plant with cylindrical seed heads that explode
           when mature shedding large quantities of down; its long
           flat leaves are used for making mats and chair seats; of
           North America, Europe, Asia and North Africa [syn:
           cat's-tail, bullrush, bulrush, nailrod, reed
           mace, reedmace, Typha latifolia]
      2: tall rush with soft erect or arching stems found in Eurasia,
         Australia, New Zealand, and common in North America [syn:
         bulrush, bullrush, common rush, soft rush, Juncus
         effusus]