1
: a young plant grown from seed
2
a
: a young tree before it becomes a sapling
b
: a nursery plant not yet transplanted
seedling adjective

Illustration of seedling

Illustration of seedling
  • 1 primary root
  • 2 rootlet
  • 3 root hairs
  • 4 hypocotyl
  • 5 cotyledon
  • 6 epicotyl
  • 7 true leaf

Examples of seedling 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.
Meanwhile, without the animal manure that farmers once used to enrich the soil, the farmers’ seedlings struggle to germinate. — Ghada Abdulfattah, Christian Science Monitor, 2 Oct. 2026 Once the seedlings have grown at least three pairs of leaves, they can be very gently removed from their germination container and transplanted into a container. — Derek Carwood, Better Homes & Gardens, 27 Sep. 2026 The Uganda Wildlife Authority distributes seedlings, including medicinal trees that people might otherwise seek inside the park. — ABC News, 24 Sep. 2026 The Beni Princess appears to have been the latest target, with reports that seedlings are being sold on Chinese e-commerce sites – while its application for IP protection is still pending. — Jessie Yeung, CNN Money, 19 Sep. 2026 See All Example Sentences for seedling

Word History

First Known Use

1629, in the meaning defined at sense 1

Time Traveler
The first known use of seedling was in 1629

Browse Nearby Words

Cite this Entry

“Seedling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seedling. Accessed 9 Oct. 2026.

Kids Definition

1
: a young plant grown from seed
2
: a tree before it becomes a sapling
seedling adjective

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