'Juncus effusus' definitions:

Definition of 'Juncus effusus'

(from WordNet)
noun
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]

Definition of 'Juncus effusus'

From: GCIDE
  • Bulrush \Bul"rush`\ (b[.u]l"r[u^]sh`), 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]
  • Note: 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]