Merriam-Webster Collegiate Dictionary - limpopo

 geographical name  1. (or Crocodile) river 1000 miles (1609 kilometers) S Africa flowing from ~ province, Republic of South Africa, into Indian Ocean in Mozambique  2. (or formerly Northern) (or Noord) (or earlier Northern Transvaal) province NE Republic of South Africa area 47,598 square miles (123,280 square kilometers), population 5,013,000