Webster’s Revised Unabridged Dictionary · 1913
Ecthyma
Ec·thy′ma, n.; pl. Ecthymata (#). [NL., fr. Gr. ἔκθυμα pimple, fr. ἐκθύειν to break out.] (Med.) A cutaneous eruption, consisting of large, round pustules, upon an indurated and inflamed base. Dunglison.