From an unused root apparently meaning to grasp; properly a span: - cubit.
Verse
Matrix
Exo 2:3And when she could not longer hide him, she took for him an ark of bulrushesH1573, and daubed it with slime and with pitch, and put the child therein; and she laid it in the flags by the river's brink.
Isa 18:2That sendeth ambassadors by the sea, even in vessels of bulrushesH1573 upon the waters, saying, Go, ye swift messengers, to a nation scattered and peeled, to a people terrible from their beginning hitherto; a nation meted out and trodden down, whose land the rivers have spoiled! ▼▼▼
Isa 35:7And the parched ground shall become a pool, and the thirsty land springs of water: in the habitation of dragons, where each lay, shall be grass with reeds and rushesH1573. ▼