: any of a division (Polypodiophyta) or class (Polypodiopsida) of flowerless spore-producing vascular plants having alternating sporophyte and gametophyte generations
especially : any of an order (Polypodiales) of homosporous plants possessing roots, stems, and leaflike fronds compare seed fern
fernlike adjective
ferny adjective

Examples of fern in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Towering trees rise over delicate ferns, wildflowers, and colorful mushrooms. Sabrina Weiss, WIRED, 6 Dec. 2024 The green features are spread throughout much of the large space, with a mix of flowers, trees, ferns, and bamboo growing from planters situated throughout—in the floors, dividing walls, large garden spaces, and above kiosks’ ceilings, with strands hanging down. Ryan Krogh, Outside Online, 4 Dec. 2024 This transverse section of the stem of bracken fern could be a cartoonist’s impression of a talking...stem of bracken fern. Cecilia Rodriguez, Forbes, 20 Oct. 2024 Like Sacks, Quinto’s protagonist rides motorcycles; loves ferns and swimming in the rivers of New York City; and has prosopagnosia, or face blindness. Max Gao, NBC News, 23 Sep. 2024 See all Example Sentences for fern 

Word History

Etymology

Middle English, from Old English fearn; akin to Old High German farn fern, Sanskrit parṇa wing, leaf

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of fern was before the 12th century

Dictionary Entries Near fern

Cite this Entry

“Fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fern. Accessed 22 Dec. 2024.

Kids Definition

fern

noun
: any of an order of vascular plants resembling seed plants in having root, stem, and leaflike fronds but reproducing by spores instead of by flowers and seeds
fernlike adjective
ferny adjective

More from Merriam-Webster on fern

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!