kahunaEnglishOxford Dictionary of Englishkahuna /kəˈhuːnə / ▸ noun 1 (in Hawaii) a wise man or shaman: it inspired her to seek out a Hawaiian healer called a kahuna or shaman the Polynesians voyaging to Hawaii depended on their kahuna. 2 North American English informal an important person, or the most important person: they always act as the main kahunas there. ▪ (in surfing) a very large wave. – ORIGIN Hawaiian.