Definition from Wiktionary, the free dictionary
See also Alsatian
Alternative forms 
alsatian (plural alsatians)
- (dated) English name for a breed of dog called German shepherd until the first World War, changed at that time due to anti-German sentiment. Still commonly used in Britain.
Usage notes 
This word can be used with an uppercase or lowercase first letter.
dog — see German shepherd
The Macquarie Dictionary