The Collaborative International Dictionary
Club-rush
Club-rush \Club"-rush`\, n. (Bot.) A rushlike plant, the reed mace or cat-tail, or some species of the genus Scirpus. See Bulrush.
Wiktionary
club-rush
n. Any of several rushlike plants, of the genus ''Scirpus'' and others, including the (vern reed mace pedia=1) and bulrush.