The Collaborative International Dictionary of English v.0.48:

Micronesian \Mi"cro*ne"sian\, a. [From Micronesia, fr. Gr.
   mikro`s small + nh^sos an island.]
   Of or pertaining to Micronesia, a collective designation of
   the islands in the western part of the Pacific Ocean,
   embracing the Marshall and Gilbert groups, the Ladrones, the
   Carolines, etc.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Micronesians \Mi`cro*ne"sians\, n. pl.; sing. Micronesian.
   (Ethnol.)
   A dark race inhabiting the Micronesian Islands. They are
   supposed to be a mixed race, derived from Polynesians and
   Papuans.
   [1913 Webster]