any of a family (Glossinidae) of small dipterous flies of central and S Africa, including species that carry the trypanosomes that cause nagana and sleeping sickness
Origin:
Bantu tsetse, lit., fly that kills animals
See tsetse fly in American Heritage Dictionary 4
noun
Any of several two-winged bloodsucking African flies of the genus Glossina, often carrying and transmitting pathogenic trypanosomes to humans and livestock.