n. Priest of high rank, or often said of an expert in a profession, such as dentistry.
n. Sorcerer, magician or wizard.
The Century Dictionary and Cyclopedia
n. A priest or medicine-man.
Word Usage
"Every sort of kahuna was at bottom and in some regard a priest, his special department being indicated by a qualifying word, as _kahuna anaana_, sorcerer, _kahuna kalai wa'a_, canoe-maker."