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.
Once your seedlings have started to spout, then the mound down to one strong seedling. Ashlyn Needham, Southern Living, 26 June 2026 Should another fire roll through, the seedlings are not yet tall enough to hold their branches above the flames. Los Angeles Times, 9 July 2026 Insert the stake into the ground, about 3 to 5 inches from the seedling. Helena Madden, Martha Stewart, 4 July 2026 Excess moisture can cause diseases like damping off, a fungus that harms young seedlings. Rita Pelczar, Better Homes & Gardens, 26 June 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

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Cite this Entry

“Seedling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seedling. Accessed 10 Jul. 2026.

Kids Definition

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

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