: 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.
Tree peonies, fern peonies, and woodland peonies bloom first; hybrid varieties, like true reds and corals, bloom mid-season; and other peonies bloom in the latter half of spring. Blythe Copeland, Martha Stewart, 4 June 2026 And the hotel’s refreshed look, with fabrics designed to mimic the fronds and ferns in the lush gardens outside, is the culmination of a five-year update led by interiors expert Lulu Lytle of Soane Britain. Condé Nast, Condé Nast Traveler, 2 June 2026 To balance the red hues, Plumosa and foxtail asparagus ferns arch outward and add texture. Cameron Beall, Southern Living, 1 June 2026 Floor-to-ceiling windows fill the space with light, while a glass door leads to a private garden lush with bird-of-paradise plants and ferns—a rare pocket of calm in the city. Bailey Berg, Architectural Digest, 29 May 2026 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

Browse Nearby Words

Cite this Entry

“Fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fern. Accessed 6 Jun. 2026.

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

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