Definition of "wheal" [wheal]

• A small swelling on the skin, as from an insect bite, that usually itches or burns. (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.

• "L] istening to Mozart reduced allergen-induced skin wheal responses with a concomitant decrease of total and allergen-specific IgE production."
• "T] he skin wheal responses induced by latex or histamine were not changed after listening to Beethoven."
• "Really allergic kids will get a “wheal and flare” response, where it goes white first, then gets red and puffy like a linear hive along the line of the scratch."