From WordNet (r) 3.0 (2006) [wn]:
Maori
n 1: an ethnic minority of Polynesian and Melanesian descent who
speak Maori and live in New Zealand
2: the Oceanic language spoken by the Maori in New Zealand
From The Collaborative International Dictionary of English v.0.48 [gcide]: Maori \Ma"o*ri\, prop. n.; pl. Maoris. (Ethnol.) One of the aboriginal inhabitants of New Zealand; also, the original language of New Zealand. -- a. Of or pertaining to the Maoris or to their language. [1913 Webster]