tsetse fly

tset·​se fly | \ ˈ(t)set-sē- How to pronounce tsetse fly (audio) , ˈtet-, ˈ(t)sēt-, ˈtēt- How to pronounce tsetse fly (audio) \

Definition of tsetse fly

: any of several dipteran flies (genus Glossina) that occur in Africa south of the Sahara and include vectors of human and animal trypanosomes

called also tsetse

— compare sleeping sickness

Examples of tsetse fly in a Sentence

Recent Examples on the Web The chemical has been used as a drug to treat African sleeping sickness, a parasitic disease transmitted by the tsetse fly found only in sub-Saharan Africa. Miriam Fauzia, USA TODAY, 15 June 2021 Better known as sleeping sickness, the disease is transmitted to human beings by tsetse flies that have acquired the infection from infected people or animals. Carey Baraka, Quartz Africa, 26 Apr. 2020 The tsetse flies are something the parks workers need to manage differently, Robertson said. Washington Post, 30 Oct. 2019 This notorious disease is carried by tsetse flies (Glossina spp.). Davide Castelvecchi, Scientific American, 30 Dec. 2019 By increasing animal numbers, one of the unfortunate consequences could be an increase in tsetse fly numbers. Washington Post, 30 Oct. 2019 The tsetse fly, which feeds on blood, has a symbiont that makes B vitamins. Quanta Magazine, 17 Sep. 2015 While Botswana’s northern swampland was ridden with disease-carrying tsetse flies and malaria, Mr. Selby and his clients traversed the bush in style. Harrison Smith, Washington Post, 22 Jan. 2018 The tsetse fly, which spreads sleeping sickness, nourishes its grub inside a bizarrely mammalian uterus and feeds it with a milklike fluid—one that’s laden with microbes. Ed Yong, The Atlantic, 12 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tsetse fly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tsetse fly

1865, in the meaning defined above

History and Etymology for tsetse fly

Afrikaans, from Tswana tsètsè fly

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Time Traveler for tsetse fly

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The first known use of tsetse fly was in 1865

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Dictionary Entries Near tsetse fly

tsetse disease

tsetse fly


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Cite this Entry

“Tsetse fly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tsetse%20fly. Accessed 18 Jan. 2022.

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More Definitions for tsetse fly

tsetse fly


English Language Learners Definition of tsetse fly

: a kind of fly found in Africa that bites people and animals, sucks their blood, and can spread a serious disease (called sleeping sickness) to humans

tsetse fly


Medical Definition of tsetse fly

: any of several dipteran flies of the genus Glossina that occur in sub-Saharan Africa and include vectors of human and animal trypanosomes (as those causing sleeping sickness and nagana)

called also tsetse

More from Merriam-Webster on tsetse fly

Britannica.com: Encyclopedia article about tsetse fly


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