Definition of Río de Oro in US English:

Río de Oro

proper noun

  • An arid region on the Atlantic coast of northwestern Africa, forming the southern part of Western Sahara. It was united with Saguia el-Hamra in 1958 to form the province of Spanish Sahara (now Western Sahara).


Río de Oro

/ˌrēō dē ˈôrō/