hookworm

noun

hook·​worm ˈhu̇k-ˌwərm How to pronounce hookworm (audio)
1
: any of several parasitic nematode worms (family Ancylostomatidae) that have strong buccal hooks or plates for attaching to the host's intestinal lining and that include serious bloodsucking pests
2
: infestation with or disease caused by hookworms
especially : a lethargic anemic state in humans due to blood loss from hookworms feeding in the small intestine

Examples of hookworm 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.
They got caught in a cyclone; Davis almost died of hookworm. Chris Stirewalt, The Hill, 4 Apr. 2025 Researchers then examined her stool, which revealed the presence of hookworm eggs. Cara Lynn Shultz, People.com, 8 Mar. 2025 Puppies had infections and diseases such as giardia, hookworm and parvovirus, Glass said. Joe Marusak, Charlotte Observer, 5 Mar. 2025 According to the state, after last year’s rabies scare, the rescue in January and February failed to isolate puppies that were suffering from hookworm infections and were exposed to a littermate with rabies symptoms. Max Levy, The Denver Post, 1 Mar. 2025 See All Example Sentences for hookworm

Word History

First Known Use

1902, in the meaning defined at sense 1

Time Traveler
The first known use of hookworm was in 1902

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Cite this Entry

“Hookworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hookworm. Accessed 21 Apr. 2025.

Kids Definition

hookworm

noun
hook·​worm -ˌwərm How to pronounce hookworm (audio)
1
: a parasitic nematode worm having strong hooks or plates about the mouth
2
: a diseased state marked by blood loss, paleness, and weakness due to hookworms in the intestine

called also hookworm disease

Medical Definition

hookworm

noun
hook·​worm ˈhu̇k-ˌwərm How to pronounce hookworm (audio)
1
: any of several parasitic nematode worms of the family Ancylostomatidae that have strong buccal hooks or plates for attaching to the host's intestinal lining and that include serious bloodsucking pests
2

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