The Collaborative International Dictionary of English v.0.48:

Norwegian \Nor*we"gi*an\, prop. a. [Cf. Icel. Noregr, Norvegr,
   Norway. See North, and Way.]
   Of or pertaining to Norway, its inhabitants, or its language.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Norwegian \Nor*we"gi*an\, prop. n.
   1. A native of Norway.
      [1913 Webster]

   2. That branch of the Scandinavian language spoken in Norway.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Norwegian
    adj 1: of or relating to Norway or its people or culture or
           language; "Norwegian herring" [syn: Norwegian, Norse]
    n 1: a native or inhabitant of Norway [syn: Norwegian,
         Norseman, Norse]
    2: a Scandinavian language that is spoken in Norway