rhebokPronunciation: /ˈriːbɒk/ (also reebok, grey rhebok, or rhebuck)Definition of rhebok noun a small South African antelope with a woolly brownish-grey 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 US English dictionary