The Collaborative International Dictionary of English v.0.48:

Turanians \Tu*ra"ni*ans\, n. pl. (Ethnol.)
   (a) An extensive division of mankind including the Mongols
       and allied races of Asia, together with the Malays and
       Polynesians.
   (b) A group of races or tribes inhabiting Asia and closely
       related to the Mongols.
       [1913 Webster]