Source : Webster's Revised Unabridged Dictionary (1913)

Eczema \Ec"ze*ma\, n. [NL., fr. Gr. 'e`kzema; "ek out + zei^n to
   boil.] (Med.)
   An inflammatory disease of the skin, characterized by the
   presence of redness and itching, an eruption of small
   vesicles, and the discharge of a watery exudation, which
   often dries up, leaving the skin covered with crusts; --
   called also {tetter}, {milk crust}, and {salt rheum}.

Source : WordNet®

eczema
     n : generic term for inflammatory conditions of the skin;
         particularly with vesiculation in the acute stages