bullrush

noun ! Definition from WordNet 3.1, Princeton University. More about bullrush at Wordnik → Where our words come from →

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.
2. Tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America.