Roseola

from WordNet (r) 3.0 (2006)

roseola
    n 1: any red eruption of the skin [syn: {rash}, {roseola},
         {efflorescence}, {skin rash}]

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]