- A contagious disease of the conjunctiva and cornea, caused by the gram-negative bacterium Chlamydia trachomatis and characterized by inflammation, hypertrophy, and formation of granules of adenoid tissue. It is a major cause of blindness in Asia and Africa. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.