group of islands of Indonesia, part of the Moluccas, in the Arafura Sea southwest of New Guinea: c. 3,300 sq mi (8,547 sq km)
See Aru Islands in American Heritage Dictionary 4
also A·roe Islands or Ar·roe Islands
An island group of eastern Indonesia, part of the Moluccas in the Arafura Sea southwest of New Guinea. The islands were colonized by the Dutch after 1623.