Source : Webster's Revised Unabridged Dictionary (1913)

Portuguese \Por"tu*guese\, a. [Cf. F. portugais, Sp. portugues,
   Pg. portuguez.]
   Of or pertaining to Portugal, or its inhabitants. -- n. sing.
   & pl. A native or inhabitant of Portugal; people of Portugal.

   {Portuguese man-of-war}. (Zo["o]l.) See {Physalia}.

Source : WordNet®

Portuguese
     adj : of or relating to or characteristic of Portugal or the
           people of Portugal; "Portuguese wines" [syn: {Lusitanian}]

Portuguese
     n 1: the Romance language spoken in Portugal and Brazil
     2: a native or inhabitant of Portugal