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Caerphilly

American  
[kair-fil-ee] / kɛərˈfɪl i /

noun

  1. a county in southeastern Wales. 107 sq. mi. (278 sq. km).

  2. a town in the county of Caerphilly, in southeastern Wales.

  3. Also called Caerphilly cheese. a mild, white, crumbly, medium-hard cheese, originally made in Wales.


Caerphilly British  
/ kɛəˈfɪlɪ /

noun

  1. a market town in SE Wales, in Caerphilly county borough: site of the largest castle in Wales (13th–14th centuries). Pop: 31 060 (2001)

  2. a county borough in SE Wales, created in 1996 from parts of Mid Glamorgan and Gwent. Pop: 170 200 (2003 est). Area: 275 sq km (106 sq miles)

  3. a creamy white mild-flavoured cheese

"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

Etymology

Origin of Caerphilly

From place name Caerphilly, from Welsh Caerffili “Fort of Ffili,” equivalent to caer “fort” + “(St.) Ffili”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Hannah, 37, said she moved from Newbridge to Abercarn, in Caerphilly county, a few miles away, 10 years ago.

From BBC ● Aug. 17, 2026

Hysaj was caught after a police dog named Asko located him in the commercial property on the Bowen Industrial Estate, in Aberbargoed, Caerphilly county, in May.

From BBC ● Aug. 3, 2026

Temperatures are expected to hit 37C, and more than 500 schools have been closed across mid and south Wales, including all in Blaenau Gwent, and most in Caerphilly and Bridgend.

From BBC ● Jun. 24, 2026

She also reported Scruffy 2 Fluffy to Trading Standards at Caerphilly council, which confirmed it was "aware of the allegations and currently investigating them" but said it could not comment further on an ongoing investigation.

From BBC ● Jun. 22, 2026

Aladdin's enchanted garden of precious stones was nothing to what Caerphilly Castle was to the boy William Edwards.

From The Making of William Edwards or The Story of the Bridge of Beauty by Mrs. G. Linnaeus Banks

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