roseola

A rose-colored skin rash, sometimes occurring with diseases such as measles, syphilis, or scarlet fever.

In pathology, a kind of rash or rose-colored efflorescence, mostly symptomatic, occurring in connection with different febrile complaints. Also called rose-rash and scarlet rash.

A rose-colored efflorescence upon the skin, occurring in circumscribed patches of little or no elevation and often alternately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; — called also rose rash.

Any rosy rash that occurs with various fevers, especially that occurring with a mild disease of early infancy that resembles measles.

German measles.

any red eruption of the skin