The Collaborative International Dictionary of English v.0.48:

Alsatian \Al*sa"tian\, a.
   Pertaining to Alsatia.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Alsatian \Al*sa"tian\, n.
   An inhabitant of Alsatia or Alsace in Germany, or of Alsatia
   or White Friars (a resort of debtors and criminals) in
   London.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Alsatian
    adj 1: of or relating to or characteristic of Alsace or its
           inhabitants
    n 1: a native or inhabitant of Alsace
    2: breed of large shepherd dogs used in police work and as a
       guide for the blind [syn: German shepherd, German shepherd
       dog, German police dog, alsatian]