'bullrush' definitions:

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]

Tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America [syn: bulrush, bullrush, common rush, soft rush, Juncus effusus]