noun
: a mild febrile disease marked by headache and rash, caused by a rickettsia ( Rickettsia mooseri ) widespread in nature in rodents, and transmitted to man by the common rat flea
noun
: a mild febrile disease marked by headache and rash, caused by a rickettsia ( Rickettsia mooseri ) widespread in nature in rodents, and transmitted to man by the common rat flea
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012