Lancastrian has 7 different meanings across 3 categories:
Noun · Adjective · Proper Noun
a member (or supporter) of the house of Lancaster
a resident of Lancaster
A person from Lancaster or Lancashire.
of or relating to the former English royal house or their supporters
"Lancastrian royalty"
of or relating to the English city of Lancaster or its residents
"Lancastrian city center"
Of or relating to Lancaster or Lancashire.
A modified version of the Lancaster bomber, used in civilian service in the immediate postwar years.