1. (noun) 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

• epidemic roseola
• rubella
• three-day measles

1. (noun) 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

• measles
• morbilli
• rubeola