| 1. German measles, viral infection characterized by fever and a red rash on the body (Medicine). rubellaru*bella , n. [nl., fr. l. rubellus reddish.] (med.) an acute specific disease with a dusky red cutaneous eruption resembling that of measles, but unattended by catarrhal symptoms; -- called also german measles.rubella a contagious viral disease that is a milder form of measles lasting three or four days; can be damaging to a fetus during the first trimester [syn: german measles, three-day measles , epidemic roseola] |