Definition: A boil is a walled-off collection of pus. Boils often appear in areas of friction or minor trauma such as underneath the belt, the fronts of the thighs, buttocks, groin, and armpits.
Pronunciation: boyl (noun)
By Heather Brannon, MD, About.com Guide
Updated: January 04, 2004
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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