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  a mild, white, crumbly, medium-hard cheese, originally made in Wales.

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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

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Etymology

Origin of Caerphilly

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

Example Sentences

See Examples For:

Caerphilly

South Wales Fire and Rescue Service said crews and appliances from Whitchurch, Pontypridd, Ely, Roath, Caerphilly and Penarth are at the scene.

From BBC ● Jul. 30, 2026

The debate was led by Chris Evans, Labour MP for Caerphilly, who said he was all too aware of the issue, having previously worked in a bookmakers and at a bank.

From BBC ● Jun. 18, 2026

More than 600 people and their pets abandoned Troedrhiwfuwch, Caerphilly County, in 1985 because of fears the village - nestled in Rhymney Valley - would be hit with a catastrophic landslip.

From BBC ● Jun. 12, 2026

In April 2025, Alicia-Adele Axiak, 11, from Caerphilly woke up with a slightly numb arm amid a week spent playing netball, doing gymnastics and preparing for an upcoming dance competition.

From BBC ● May 27, 2026

Caerphilly Castle had not the political importance of Cardiff, but far surpasses it as a fortress.

From Mediæval Wales Chiefly in the Twelfth and Thirteenth Centuries: Six Popular Lectures by Little, A. G. (Andrew George)