Main Entry: tra·cho·ma

Pronunciation: \trə-ˈkō-mə\

Function: noun

Etymology: New Latin, from Greek trachōma, from trachys rough

Date: circa 1693

: a chronic contagious bacterial conjunctivitis marked by inflammatory granulations on the conjunctival surfaces, caused by a chlamydia (Chlamydia trachomatis), and commonly resulting in blindness if left untreated