kenaf Syllabification: (ke·naf)Pronunciation: /kəˈnaf/Definition of kenaf noun a tropical plant of the mallow family that yields a jutelike fiber. Hibiscus cannabinus, family Malvaceae the brown fiber of the kenaf plant, used to make paper, ropes, and coarse cloth. Origin: late 19th century: from Persian, variant of kanab 'hemp'kenaf in other Oxford dictionaries Definition of kenaf in the British & World English dictionary