noun, plural gummas, gummata [guhm-uh-tuh] . Pathology.
a rubbery, tumorlike lesion associated with tertiary syphilis.

1715–25; < Neo-Latin; see gum1

gummatous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gumma (ˈɡʌmə)
n , pl -mas, -mata
pathol a rubbery tumour characteristic of advanced syphilis, occurring esp on the skin, liver, brain or heart
[C18: from New Latin, from Latin gummigum1]

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American Heritage
Medical Dictionary

gumma gum·ma (gŭm'ə)
n. pl. gum·mas or gum·ma·ta (gŭm'ə-tə)
A small, rubbery granuloma having a necrotic center and an inflamed, fibrous capsule. It is characteristic of an advanced stage of syphilis. Also called syphiloma.

gum'ma·tous adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica


landlocked ken (prefecture), Honshu, Japan, containing the western Kanto Plain. Most of its area is mountainous, with two-thirds more than 1,650 feet (500 m) in elevation and volcanic peaks towering over 6,560 feet (2,000 m). The prefectural capital, Maebashi, and most of the population are on a small segment of the plain in the southeast

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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