Melanesian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Melanesian /ˌmɛləˈniːzɪ(ə)n, -ʒ(ə)n/
▶noun
- 1 a native or inhabitant of any of the islands of Melanesia in the western Pacific.
- 2 any of the languages of Melanesia.
'Melanesian' also found in these Oxford entries:

