Roseola

‖Ro‐se″o‐la (?), n. [NL., dim. of L. rosa a rose.] (med.) 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. — Ro‐se″o‐lous (#), a.