any fern of the genus Nephrolepis, especially N. exaltata, characterized by sword-shaped, pinnate fronds, a common houseplant.
Origin of sword fern
First recorded in 1820–30
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British Dictionary definitions for sword fern
any of numerous ferns having sword-shaped fronds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012