Source : Webster's Revised Unabridged Dictionary (1913)

Swiss \Swiss\, n.sing. & pl. [F. Suisse, of German origin. Cf.
   {Switzer}.]
   A native or inhabitant of Switzerland; a Switzer; the people
   of Switzerland.

Swiss \Swiss\, a.
   Of or pertaining to Switzerland, or the people of
   Switzerland.

Source : WordNet®

Swiss
     adj : of or relating to Switzerland or its people or culture; "the
           Swiss army"

Swiss
     n : the natives or inhabitants of Switzerland [syn: {Swiss
         people}, {the Swiss}]