earthworm

noun

earth·​worm ˈərth-ˌwərm How to pronounce earthworm (audio)
: a terrestrial annelid worm (class Oligochaeta)
especially : any of a family (Lumbricidae) of numerous widely distributed hermaphroditic worms that move through the soil by means of setae and feed on decaying organic matter

Examples of earthworm 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.
As soon as temperatures start to rise, insects, earthworms and microorganisms go back to work with accelerated activity. Barbara Gillette, The Spruce, 30 Dec. 2025 In the soil in his palm, an earthworm wriggled. Madeline Heim, jsonline.com, 26 Dec. 2025 Like the real, live earthworms in her mouth on the cover art, the songs writhe and slide like invertebrates. Craig Jenkins, Vulture, 2 Dec. 2025 Even just 1 to 2 inches of compost spread over your beds helps replenish nutrients, build soil structure, and perk up beneficial soil microbes and earthworm populations that make gardens thrive. Lauren Landers, Better Homes & Gardens, 8 Nov. 2025 See All Example Sentences for earthworm

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of earthworm was in the 14th century

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Cite this Entry

“Earthworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/earthworm. Accessed 8 Jan. 2026.

Kids Definition

earthworm

noun
earth·​worm -ˌwərm How to pronounce earthworm (audio)
: a long slender annelid worm that lives in damp earth, moves with the aid of bristles, and feeds on decaying organic matter

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