Rhon ‧ dda, the /ˈrɒndə $ ˈrɑː-/ BrE AmE ( also the ˌRhondda ˈValley )
an area in South Wales, UK. The Rhondda was traditionally an important COAL-MINING (=getting coal out of the earth) area, but by 1990 all the coal mines had closed down and many people lost their jobs. New industries, such as making cars, have now been developed.