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tsetse fly

American  
[tset-see, tet-, tsee-tsee, tee-] / ˈtsɛt si, ˈtɛt-, ˈtsi tsi, ˈti- /

noun

  1. any of several bloodsucking African flies of the genus Glossina, that act as a vector of sleeping sickness and other trypanosome infections of humans and domestic animals.


tsetse fly British  
/ ˈtsɛtsɪ /

noun

  1. any of various bloodsucking African dipterous flies of the genus Glossina , which transmit the pathogens of various diseases: family Muscidae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

tsetse fly Scientific  
/ tsĕtsē /
  1. Any of several bloodsucking African flies of the genus Glossina, two species of which (G. palpalis and G. morsitans) often carry and transmit trypanosomes, the protozoans that cause sleeping sickness.


Etymology

Origin of tsetse fly

First recorded in 1845–50; from Afrikaans, from Tswana tsêtsê + fly 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By contrast, something like sleeping sickness is spread through a fly, the tsetse fly.

From Salon • May 8, 2025

It will transform prospects for those infected by the bite of the tsetse fly and could help eradicate the disease by the WHO target date of 2020.

From The Guardian • Dec. 22, 2018

African sleeping sickness, also known as African trypanosomiasis, is caused by a microscopic wormlike parasite spread exclusively by the tsetse fly.

From Science Magazine • Sep. 23, 2016

His father was an entomologist who explored the bush trails along the east coast of southern Africa studying the tsetse fly, with his young family in tow.

From New York Times • Aug. 1, 2016

Experiments have been undertaken by the British in the hope that the method could be used against the tsetse fly in Rhodesia.

From "Silent Spring" by Rachel Carson