Definition of "gumma" [‖Gum•ma]

• A small rubbery granuloma that has a necrotic center and is enclosed by an inflamed fibrous capsule. It is characteristic of an advanced stage of syphilis. (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.

• "A tumor, known by the name of "gumma," is the result."
• "The name of a syphilitic swelling or tumor is gumma (plural, gummata)."
• "_Esophageal syphilis_ is a rather rare affection, and may show itself as a mucous plaque, a gumma, an ulceration, or a cicatrix."