||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.

||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.

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