Webster's Revised Unabridged Dictionary · 1913

Eczema

Eczema , noun

[New Latin, from Greek 'e`kzema; "ek out + zei^n to boil.]

(Medicine) 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.