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filmy fern

British  

noun

  1. any fern of the family Hymenophyllaceae , growing in humid regions and having thin translucent leaves

"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

Example Sentences

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Ferns vary in height from the diminutive filmy fern of less than an inch to the vast tree ferns of the tropics, reaching a height of sixty feet or more.

From The Fern Lover's Companion A Guide for the Northeastern States and Canada by Tilton, George Henry

In the bosky dells my eyes discern The feathery flakes of the filmy fern, The birds' low song in the shadows deep Lull my fancies to dreamful sleep.

From Nestlings A Collection of Poems by Weller, Ella Fraser