WordReference Random House Unabridged Dictionary of American English © 2017
- PathologySee sleeping sickness.
- Pathologyan infectious, usually fatal disease of Africa, characterized by great fatigue and a wasting away of the body:Sleeping sickness is carried to the body through the tsetse fly.
- Pathologya viral disease affecting the brain, characterized by sleepiness, muscular weakness, and difficulty in seeing.
- PathologyAlso called African sleeping sickness, African trypanosomiasis. a generally fatal disease, common in parts of Africa, characterized by fever, wasting, and progressive lethargy: caused by a parasitic protozoan, Trypanosoma gambiense or T. rhodesiense, that is carried by a tsetse fly, Glossina palpalis.
- PathologyAlso called epidemic encephalitis, lethargic encephalitis. a viral disease affecting the brain, characterized by apathy, sleepiness, extreme muscular weakness, and impairment of vision.