Kikuyu Syllabification: (Ki·ku·yu)Pronunciation: /kiˈko͞oyo͞o/Definition of Kikuyu noun (plural same or Kikuyus) 1a member of the largest ethnic group in Kenya. 2the Bantu language of the Kikuyu. 3 (kikuyu, kikuyu grass) a creeping perennial grass native to Kenya and cultivated elsewhere as a lawn and fodder grass. Pennisetum clandestinum, family Gramineae adjective relating to the Kikuyu people or their language. Origin:a local nameKikuyu in other Oxford dictionaries Definition of Kikuyu in the British & World English dictionary