BULRUSH Meaning of BULRUSH in English n.1 reed-mace (see REED(1)). 2 a rushlike water-plant, Scirpus lacustris, used for weaving. 3 Bibl. a papyrus plant. Etymology: perh. f. BULL(1) large, coarse, as in bullfrog, bulltrout, etc. Oxford English vocab. Оксфордский английский словарь. 2012