NOUN (2)

1. a historic division of Ireland located in the northeastern part of the island; six of Ulster's nine counties are in Northern Ireland;

2. loose long overcoat of heavy fabric; usually belted;

The Collaborative International Dictionary of English v.0.48:

Ulster \Ul"ster\, n.
   A long, loose overcoat, worn by men and women, originally
   made of frieze from Ulster, Ireland.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Ulster
    n 1: a historic division of Ireland located in the northeastern
         part of the island; six of Ulster's nine counties are in
         Northern Ireland
    2: loose long overcoat of heavy fabric; usually belted