spinage, n. [OF. espinache, espinoche, F. épinard; cf. F. spinace, Sp. espinaca; all fr. Ar. isfānāj, isfināj, aspanākh, probably of Persian origin.].
Mountain spinach. See Garden orache, under Orache. -- New Zealand spinach (Bot.), a coarse herb (Tetragonia expansa), a poor substitute for spinach.