Douro

geographical name
Dou·​ro | \ ˈdȯr-(ˌ)ü How to pronounce Douro (audio) \
variants: or Spanish Duero \ ˈdwā-​rō How to pronounce Duero (audio) \

Definition of Douro

river 556 miles (895 kilometers) long in southwestern Europe rising in north central Spain, flowing west to northeastern Portugal, turning south where it forms a section of the border between Spain and Portugal, then flowing west into the Atlantic

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