Entry 2 senses · 2 variants Webster, 1913 Alsatian /ăl-sā'shən/ · Al·sa·tian · IPA /ælˈseɪʃən/ a. n. 01 a. Pertaining to Alsatia. 1. Pertaining to Alsatia. 02 n. An inhabitant of Alsatia or Alsace in Germany, or of Alsatia or White Friars (a resort of debtors and criminals) in London. 1. An inhabitant of Alsatia or Alsace in Germany, or of Alsatia or White Friars (a resort of debtors and criminals) in London.