reed mace

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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, reedmace, Typha latifolia
• Hypernyms:
cattail