(1):

(a.) Of or pertaining to Indonesia or Indonesians.

(2):

(n.) A member of a race forming the chief pre-Malay population of the Malay Archipelago, and probably sprung from a mixture of Polynesian and Mongoloid immigrants. According to Keane, the autochthonous Negritos were largely expelled by the Caucasian Polynesians, themselves followed by Mongoloid peoples of Indo-Chinese affinities, from mixture with whom sprang the Indonesian race.