Definition of "swimmer's itch" [swimmer's itch]

• An itching inflammation of the skin caused by parasitic larval forms of certain schistosomes that penetrate into the skin, occurring after bathing in infested fresh or salt water. (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.