| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| sleeping sickness | |
| —n | |
| 1. | Also called: African sleeping sickness an African disease caused by infection with protozoans of the genus Trypanosoma, characterized by fever, wasting, and sluggishness |
| 2. | Also called (esp formerly): sleepy sickness, Technical name: encephalitis lethargica an epidemic viral form of encephalitis characterized by extreme drowsiness |
sleeping sickness n.
See encephalitis lethargica.
sleeping sickness (slē'pĭng) Pronunciation Key
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