hart's-tongue
noun
variants
or hart's-tongue fern
plural hart's-tongues or hart's-tongue ferns
1
: a chiefly Eurasian fern (Phyllitis scolopendrium) with simple lanceolate fronds often auriculate at the base
2
: a tropical American fern (Polybotria cervina) of the family Polypodiaceae
3
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Merriam-Webster unabridged
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