bullrush [ 'bulrʌʃ ]

• n.
  • 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

    同义词： cat's-tail bulrush nailrod reed mace reedmace Typha latifolia

  • tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America

    同义词： bulrush common rush soft rush Juncus effusus

以上来源于: WordNet