nailrod
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}]