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.
Moles eat insects, snail larvae, spiders, and small invertebrates, but their favorite foods are earthworms and white grubs. Arricca Elin Sansone, Southern Living, 21 June 2025 The hammerhead worm, a ground-dwelling flatworm, is lethal to earthworms, which are responsible for distributing oxygen, draining water and creating space for plant roots. Greta Cross, USA Today, 14 June 2025 Most of the earthworms in these areas are invasive species introduced from Europe and Asia. Doyle Rice, USA TODAY, 10 Mar. 2025 Your flowers will also benefit from enhancers, such as bonemeal, alfalfa meal, and earthworm castings, which promote healthy growth. Symiah Dorsey, Southern Living, 8 Apr. 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 Jul. 2025.

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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