rhebok Syllabification: (rhe·bok)Pronunciation: /ˈrēˌbäk/Definition of rhebok noun a small South African antelope with a woolly brownish-gray coat, a long slender neck, and short straight horns. Pelea capreolus, family Bovidae Origin: late 18th century: from Dutch reebok 'roebuck'rhebok in other Oxford dictionaries Definition of rhebok in the British & World English dictionary