1. (

• cat's-tail ,
• bullrush ,
• bulrush ,
• nailrod ,
• reed_mace ,
• reedmace ,
• Typha_latifolia

) 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 ;