carbuncle

[kahr-buhng-kuhl]

noun

1. 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.

2. a gemstone, especially a garnet, cut with a convex back and a cabochon surface.

3. Also called London brown. a dark grayish, red-brown color.

4. Obsolete.,  any rounded red gem.

adjective

1. having the color carbuncle.

carbuncle

/ ˈkɑːˌbʌŋkəl, kɑːˈbʌŋkjʊlə /

noun

1. an extensive skin eruption, similar to but larger than a boil, with several openings: caused by staphylococcal infection

2. a rounded gemstone, esp a garnet cut without facets

3. a dark reddish-greyish-brown colour

Other Word Forms

• carbuncular adjective
• carbuncled adjective

Word History and Origins

Origin of carbuncle¹

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 -cule ¹, apparently assimilated to derivates from short-vowel stems; homunculus

Word History and Origins

Origin of carbuncle¹

C13: from Latin carbunculus diminutive of carbō coal

Example Sentences

Mr Venturi's design was chosen following the cancellation of a proposed extension to the National Gallery, famously derided as a "monstrous carbuncle" on Trafalgar Square by Prince Charles.

From BBC

Watching Donald Trump speak is like watching a festering carbuncle explode in a spray of pus and blood.

From Salon

He disdained a proposed addition to London’s National Gallery as “a monstrous carbuncle on the face of a much-loved and elegant friend.”

From Washington Post

The drama, in their view, is nothing less than a monstrous carbuncle on the face of British society.

From Los Angeles Times

The plan, included a modern-looking curved glass courtyard, was, according to Charles, “a monstrous carbuncle on the face of a much-loved and elegant friend.”

From New York Times

Related Words

• gemstone 
• jewel