(n) rare (usually fatal) brain disease (usually in middle age) caused by an unidentified slow virus; characterized by progressive dementia and gradual loss of muscle control, Syn. CJD, Jakob-Creutzfeldt disease
(n) United States linguist (born in Russia) noted for his description of the universals of phonology (1896-1982), Syn. Roman Jakobson, Roman Osipovich Jakobson
(n) the older of the two Grimm brothers remembered best for their fairy stories; also author of Grimm's law describing consonant changes in Germanic languages (1785-1863), Syn. Jakob Grimm, Jakob Ludwig Karl Grimm