Source : Webster's Revised Unabridged Dictionary (1913)

Dutch \Dutch\, a. [D. duitsch German; or G. deutsch, orig.,
   popular, national, OD. dietsc, MHG. diutsch, tiutsch, OHG.
   diutisk, fr. diot, diota, a people, a nation; akin to AS.
   pe['o]d, OS. thiod, thioda, Goth. piuda; cf. Lith. tauta
   land, OIr. tuath people, Oscan

Dutch \Dutch\, n.
   1. pl. The people of Holland; Dutchmen.

   2. The language spoken in Holland.

German \Ger"man\, n.; pl. {Germans}[L. Germanus, prob. of Celtis
   origin.]
   1. A native or one of the people of Germany.

   2. The German language.

   3.
      (a) A round dance, often with a waltz movement, abounding
          in capriciosly involved figures.
      (b) A social party at which the german is danced.

   {High German}, the Teutonic dialect of Upper or Southern
      Germany, -- comprising Old High German, used from the 8th
      to the 11th century; Middle H. G., from the 12th to the
      15th century; and Modern or New H. G., the language of
      Luther's Bible version and of modern German literature.
      The dialects of Central Germany, the basis of the modern
      literary language, are often called Middle German, and the
      Southern German dialects Upper German; but High German is
      also used to cover both groups.

   {Low German}, the language of Northern Germany and the
      Netherlands, -- including {Friesic}; {Anglo-Saxon} or
      {Saxon}; {Old Saxon}; {Dutch} or {Low Dutch}, with its
      dialect, {Flemish}; and {Plattdeutsch} (called also {Low
      German}), spoken in many dialects.

Source : WordNet®

Dutch
     n 1: the people of the Netherlands; "the Dutch are famous for
          their tulips" [syn: {Dutch people}]
     2: the West Germanic language of the Netherlands

Dutch
     adj : of or relating to the Netherlands or its people or culture;
           "Dutch painting"; "Dutch painters"