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hart's-tongue

or harts-tongue

[hahrts-tuhng]
noun
  1. a fern, Phyllitis scolopendrium, having long, leathery, wavy-edged leaves.

Origin of hart's-tongue

First recorded in 1275–1325, hart's-tongue is from the Middle English word hertis tonge. See hart, 's1, tongue
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hart's-tongue

hart's-tongue

noun
  1. an evergreen Eurasian fern, Asplenium scolopendrium, with narrow undivided fronds bearing rows of sori: family Polypodiaceae
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