Caerphilly

noun

Caer·phil·ly kär-ˈfi-lē

: a mild white friable cheese of Welsh origin

Word History

Etymology

Caerphilly, urban district in Wales

First Known Use

1878, in the meaning defined above

Time Traveler

The first known use of Caerphilly was in 1878

See more words from the same year

Browse Nearby Words

Caernarvon

Caerphilly

caerulean

See all Nearby Words

Cite this Entry

Style

“Caerphilly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Caerphilly. Accessed 4 Jul. 2025.

Copy Citation

Geographical Definition

Caerphilly

geographical name

Caer·phil·ly kər-ˈfi-lē

administrative area of southeastern Wales area 107 square miles (277 square kilometers)

More from Merriam-Webster

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

Yankee

Listen to the pronunciation of Yankee

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

More Words You Always Have to Look Up

Using Bullet Points ( • )

Should that word have a hyphen?

Words You Always Have to Look Up

Democracy or Republic: What's the difference?

Popular in Wordplay

How 'Namaste' Entered The English Language

12 Lovely and Unusual Words for the Natural World

10 Hella Good U.S. Regionalisms

Better Ways to Say 'This Sucks'

8 Words with Fascinating Histories

Popular

More Words You Always Have to Look Up

How 'Namaste' Entered The English Language

12 Lovely and Unusual Words for the Natural World