Mer·thyr Tyd·fil geographical name \ˈmər-thər-ˈtid-ˌvil\
administrative area of S Wales area 43 square miles (111 square kilometers)
town S Wales NNW of Cardiff pop 59,300
Learn More About MERTHYR TYDFIL
Next Word in the Dictionary: Meru, MountPrevious Word in the Dictionary: Mersin
Seen & Heard
What made you want to look up Merthyr Tydfil? Please tell us where you read or heard it (including the quote, if possible).