noun Date: circa 1829 any of several ferns with long narrow more or less sword-shaped fronds: as, a tropical fern ( Nephrolepis exaltata ) from which the Boston fern has been developed, a fern ( Polystichum munitum ) of western North America with a large fleshy rhizome
SWORD FERN
Meaning of SWORD FERN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012