(n) tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America, Syn. common rush, bullrush, soft rush, Juncus effusus
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. [ OE. bulrysche, bolroysche; of uncertain origin, perh. fr. bole stem + rush. ] (Bot.) A kind of large rush, growing in wet land or in water. [ 1913 Webster ]
☞ The name bulrush is applied in England especially to the cat-tail (Typha latifolia and Typha angustifolia) and to the lake club-rush (Scirpus lacustris); in America, to the Juncus effusus, and also to species of Scirpus or club-rush. [ 1913 Webster ]