Dictionary
Mer•thyr Tyd•fil
Pronunciation: (mûr'thur tid'vil; Welsh mer'thir tud'vil), [key]1. an administrative district in Mid Glamorgan, in S Wales. 61,500; 43 sq. mi. (113 sq. km).
2. a city in this district. 55,215.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.