Found 1 items, similar to encephalitis lethargica.
English → English (WordNet) Definition: encephalitis lethargica encephalitis lethargica n : an encephalitis that was epidemic between 1915 and 1926; symptoms include paralysis of the extrinsic eye muscle and extreme muscular weakness [syn: sleeping sickness, sleepy sickness, epidemic encephalitis, lethargic encephalitis ]