Wordnet 3.0
NOUN (2)
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; 
The Collaborative International Dictionary of English v.0.48:
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]
WordNet (r) 3.0 (2006):
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