Source : Webster's Revised Unabridged Dictionary (1913)

Galician \Ga*li"cian\, a. [Cf. Sp. Galiciano, Gallego, fr. L.
   Gallaecus, Gallaicus, fr. Gallaeci a people in Western
   Spain.]
   Of or pertaining to Galicia, in Spain, or to Galicia, the
   kingdom of Austrian Poland. -- n. A native of Galicia in
   Spain; -- called also {Gallegan}.

Source : WordNet®

Galician
     n : the dialect of Portuguese (sometimes regarded as a dialect
         of Spanish) spoken in Galicia northwestern Spain