NOUN (2)

1. a member of a people of unknown origin living in the western Pyrenees in France and Spain;

2. the language of the Basque people; of no known relation to any other language;

The Collaborative International Dictionary of English v.0.48:

Basque \Basque\ (b[.a]sk), n. [F.]
   1. One of a race, of unknown origin, inhabiting a region on
      the Bay of Biscay in Spain and France.
      [1913 Webster]

   2. The language spoken by the Basque people.
      [1913 Webster]

   3. A part of a lady's dress, resembling a jacket with a short
      skirt; -- probably so called because this fashion of dress
      came from the Basques.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Basque \Basque\ (b[.a]sk), a. [F.]
   Pertaining to Biscay, its people, or their language.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Basque
    n 1: a member of a people of unknown origin living in the
         western Pyrenees in France and Spain
    2: the language of the Basque people; of no known relation to
       any other language