Source : Webster's Revised Unabridged Dictionary (1913)

Negritos \Ne*gri"tos\, n. pl.; sing {Negrito}. [Sp., dim. of
   negro black.] (Ethnol.)
   A degraded Papuan race, inhabiting Luzon and some of the
   other east Indian Islands. They resemble negroes, but are
   smaller in size. They are mostly nomads.