• (n. pl.) The aboriginal and most numerous inhabitants of Borneo. They are partially civilized, but retain many barbarous practices. Found on http://thinkexist.com/dictionary/meaning/dyaks/
Dy'aks noun plural ; sing. Dyak . (Ethnol.) The aboriginal and most numerous inhabitants of Borneo. They are partially civilized, but retain many barbarous practices. Found on http://www.encyclo.co.uk/webster/D/134