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carbuncle

[ kahr-buhng-kuhl ]
/ ˈkɑr bʌŋ kəl /
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noun
Pathology. a painful circumscribed inflammation of the subcutaneous tissue, resulting in suppuration and sloughing, and having a tendency to spread somewhat like a boil, but more serious in its effects.
a gemstone, especially a garnet, cut with a convex back and a cabochon surface.
Also called London brown. a dark grayish, red-brown color.
Obsolete. any rounded red gem.
adjective
having the color carbuncle.
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Origin of carbuncle

1150–1200; Middle English <Anglo-French <Latin carbunculus kind of precious stone, tumor, literally, live coal, equivalent to carbōn- (stem of carbō) burning charcoal + -culus-cule1, apparently assimilated to derivates from short-vowel stems; cf. homunculus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use carbuncle in a sentence

British Dictionary definitions for carbuncle

carbuncle
/ (ˈkɑːˌbʌŋkəl) /

noun
an extensive skin eruption, similar to but larger than a boil, with several openings: caused by staphylococcal infection
a rounded gemstone, esp a garnet cut without facets
a dark reddish-greyish-brown colour

Derived forms of carbuncle

carbuncled, adjectivecarbuncular (kɑːˈbʌŋkjʊlə), adjective

Word Origin for carbuncle

C13: from Latin carbunculus diminutive of carbō coal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for carbuncle

carbuncle
[ kärbŭng′kəl ]

n.
A deep-seated pyogenic infection of several contiguous hair follicles, with formation of connecting sinuses, often preceded or accompanied by fever, malaise, and prostration.
anthrax

Other words from carbuncle

car•buncu•lar (-kyə-lər) 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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