Dictionary
sword fern
noun
Definition of SWORD FERN
: any of several ferns with long narrow more or less sword-shaped fronds: as a : a tropical fern (Nephrolepis exaltata) from which the Boston fern has been developed b : a fern (Polystichum munitum) of western North America with a large fleshy rhizome
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First Known Use of SWORD FERN
circa 1829
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