ecthyma

ec·thy·ma

noun \ek-ˈthī-mə\

Definition of ECTHYMA

1

: a cutaneous eruption marked by large flat pustules that have a hardened base surrounded by inflammation, heal with pigmented scar formation, and occur especially on the lower legs

2

: sore mouth of sheep

—ec·thy·ma·tous \ek-ˈthim-ət-əs, -ˈthīm-\ adjective