- a skin eruption or rash occurring in certain infectious diseases, as measles
- an infectious disease characterized by such eruptions
Origin of exanthemfrom Late Latin exanthema from Classical Greek exanth?ma, efflorescence, eruption from exanthein, to bloom from ex-, out + anthein, to flower from anthos: see antho-
nounpl. -·mas or -·ma·ta
(countable and uncountable, plural exanthems)
- A widespread rash usually occurring in children.