a grass-like plant with triangular stems and inconspicuous flowers, growing typically in wet ground. Sedges are widely distributed throughout temperate and cold regions 莎草
Family Cyperaceae: Carex and other genera 莎草科:苔草属及其他属
派生 sedgy adjective 语源
Old English secg, of Germanic origin, from an Indo-European root shared by Latin secare 'to cut'