Tra*chom"a*tous

from The Collaborative International Dictionary of English v.0.48

Trachoma \Tra*cho"ma\, n. [NL., fr. Gr. ? roughness, fr. ?
   rough.] (Med.)
   a contagious granular conjunctivitis caused by the bacterium
   {Chlamydia trachomatis}. It is a chronic inflammation of the
   conjunctiva -- {Tra*chom"a*tous}, a.
   [Webster 1913 Suppl.]