seed fern

noun

Definition of seed fern

: any of an order (Pteridospermales) of extinct cycadophytes with foliage like that of ferns and with naked seeds

First Known Use of seed fern

1907, in the meaning defined above

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The first known use of seed fern was in 1907

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Cite this Entry

“Seed fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seed%20fern. Accessed 23 Jun. 2021.

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More from Merriam-Webster on seed fern

Britannica.com: Encyclopedia article about seed fern

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