sword fern

English

Noun

sword fern (plural sword ferns)

  1. Any fern in the genus Nephrolepis, typically with long, straight-sided fronds shaped like a two-edged sword, and widely grown as houseplants.
    Hyponyms: Boston fern, kupukupu
  2. Some ferns in the genus Polystichum which look like the typical Nephrolepis sword ferns.
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