n.
Variant: also bull · rush
Pronunciation: ' bu ̇ l- ˌ r ə sh
Function: noun
Etymology: Middle English bulrysche
Date: 15th century
: any of several large rushes or sedges growing in wetlands: as a : any of a genus ( Scirpus, especially S. lacustris ) of annual or perennial sedges that bear solitary or much-clustered spikelets containing perfect flowers with a perianth of six bristles b British : either of two cattails ( Typha latifolia and T. angustifolia ) c : PAPYRUS