- a former region of W Africa: comprised the S part of the Spanish Sahara (now Western Sahara)
WordReference Random House Unabridged Dictionary of American English © 2020
Rí•o de O•ro (rē′ô ᵺe ô′rô),USA pronunciation
Place NamesWestern Sahara.
Collins Concise English Dictionary © HarperCollins Publishers::
Río de Oro /Spanish: ˈrio ðe ˈoro/ n
'Río de Oro' also found in these entries: