n.
Pronunciation: tr ə - ' k ō -m ə
Function: noun
Etymology: New Latin, from Greek trach ō ma, 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