Source : Webster's Revised Unabridged Dictionary (1913)

Visigoth \Vis"i*goth\, n. [L. Visegothae, pl. Cf. {West}, and
   {Goth}.]
   One of the West Goths. See the Note under {Goth}. --
   {Vis`i*goth"ic}, a.

Source : WordNet®

Visigoth
     n : a member of the western group of Goths who sacked Rome and
         created a kingdom in present-day Spain and southern
         France