n. Any fly of the genus Glossina, native to Africa, that feeds on human and animal blood; known primarily as a carrier of parasitic trypanosomes.
the GNU version of the Collaborative International Dictionary of English
n. A venomous two-winged African fly (Glossina morsitans) whose bite is very poisonous, and even fatal, to horses and cattle, but harmless to men. It renders extensive districts in which it abounds uninhabitable during certain seasons of the year.
The Century Dictionary and Cyclopedia
n. An African dipterous insect, of the family Stomoxyidæ and genus Glossina, G. morsitans, whose bite is often fatal to some animals, as horses, cattle, and dogs.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. bloodsucking African fly; transmits sleeping sickness etc.
Word Usage
"As Dr.P. J. du Toit, of the South African Veterinary Services, said in London, last month (September), when showing a colour-sound film of the spraying of tsetse-infested lands with DDT from the air: "The tsetse is the biggest problem in Africa"."