NOUN (2)

1. a member (or supporter) of the house of Lancaster;

2. a resident of Lancaster;


ADJECTIVE (2)

1. of or relating to the former English royal house or their supporters;
- Example: "Lancastrian royalty"

2. of or relating to the English city of Lancaster or its residents;
- Example: "Lancastrian city center"

The Collaborative International Dictionary of English v.0.48:

Lancastrian \Lancastrian\ prop. a.
   1. Of or pertaining to Lancaster[2]; as, Lancastrian royalty.
      [WordNet 1.5]

   2. Of or pertaining to the city of Lancaster[1]; as,
      Lancastrian city center.
      [WordNet 1.5]

   3. Of or pertaining to the members of the house of Lancaster;
      as, Lancastrian members.
      [WordNet 1.5]

   4. Of or pertaining to the inhabitants of Lancaster; as, the
      Lancastrian population.
      [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Lancastrian \Lancastrian\ prop. n.
   1. A member (or supporter) of the house of Lancaster.
      [WordNet 1.5]

   2. A resident of Lancaster[1].
      [WordNet 1.5]

WordNet (r) 3.0 (2006):

Lancastrian
    adj 1: of or relating to the former English royal house or their
           supporters; "Lancastrian royalty"
    2: of or relating to the English city of Lancaster or its
       residents; "Lancastrian city center"
    n 1: a member (or supporter) of the house of Lancaster
    2: a resident of Lancaster