1. A sexually transmitted disease; a venereal disease.
2. A disease having its highest incidence among socioeconomic groups predisposed to it by a given set of adverse living or working conditions.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.