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Definition of orange river
orange river
orange river Lexical Profile
CEFR
B2
Grade
7
Tier
3
Usage
Rare
• noun
1
South African The longest river in South Africa, originating in the Drakensberg mountains in Lesotho and flowing westwards to empty into the Atlantic Ocean, forming part of the international borders with Namibia and Lesotho.
Example
"The agricultural economy of the region relies heavily on extensive irrigation systems drawing from the Orange River."
• Nearby Words
Word Origin & Etymology
Named in 1779 by the Dutch explorer Robert Jacob Gordon in honor of the Dutch ruling family, the House of Orange-Nassau. Its indigenous name is the Gariep River.
Cite this Entry
Wordmom. (2026). Definition of Orange river. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/orange river