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Carmarthen

American  
[kahr-mahr-thuhn] / kɑrˈmɑr ðən /

noun

  1. a seaport in Carmarthenshire, in southern Wales.

  2. Carmarthenshire.


Carmarthen British  
/ kɑːˈmɑːðən /

noun

  1. a market town in S Wales, the administrative centre of Carmarthenshire: Norman castle. Pop: 14 648 (2001)

"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 Carmarthen

From Welsh Caerfyrddin, possibly “Merlin's Fort” (from Caermerlin ) or “Seaside Town” (from Latin Moridunum, the capital of the Celtic tribe Demetae)

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.

During the debate from S4C's headquarters in Carmarthen, Morgan was challenged by a member of the audience who spoke about a friend who has waited "five years" for hip treatment.

From BBC • Apr. 24, 2026

Steffan Griffiths, of Ysgol Nantgaredig in Carmarthen, said problems attracting teachers in some secondary school subjects was "quite frightening" and he was aware of issues at primary level too.

From BBC • Mar. 22, 2026

Dyfed-Powys Police said James McKenna, from Carmarthen but known to have connections to Ireland, is wanted in connection with the incident.

From BBC • Jan. 31, 2026

On Wednesday morning, Trainline said "heavy flooding on the railway between Carmarthen and Whitland" had closed all lines so "trains running between these stations may be cancelled or revised".

From BBC • Nov. 5, 2025

Mr. Williams was to marry his daughter Mary to a smart young fellow from Carmarthen, and he was in great distress over it.

From The Great Return by Machen, Arthur