Source : Webster's Revised Unabridged Dictionary (1913)

Exanthema \Ex`an*the"ma\, n.; pl. {Exanthemata}. [L., fr. Gr.?,
   fr.? to burst forth as flowers, break out, as ulcers; ?, ?,
   out + ? to bloom, ? flower: cf. F. exanth[`e]me.] (Med.)
   An efflorescence or discoloration of the skin; an eruption or
   breaking out, as in measles, smallpox, scarlatina, and the
   like diseases; -- sometimes limited to eruptions attended
   with fever. --Dunglison.

Source : WordNet®

exanthema
     n : eruption on the skin occurring as a symptom of a disease
         [syn: {exanthem}, {skin eruption}]
     [also: {exanthemata} (pl)]