noun

• (geographical) The northern province of Ireland, made up of all six Northern Irish counties and three counties in the Republic of Ireland.
• (politics, proscribed) The six counties that make up Northern Ireland.
• (geographical) A county named after the Irish province in New York State: see Ulster County.
• A township in Floyd County, Iowa, United States.
• A town in Ulster County, New York, United States.
• A township in Bradford County, Pennsylvania, United States.
• (clothing, men's attire) A long, loose overcoat made of wool or other rough material, often called a greatcoat, which sometimes features an attached shoulder cape covering the back and sleeves, and which can sometimes be buttoned in front.
• Alternative letter-case form of ulster (“men's heavy overcoat”) [(clothing, men's attire) A long, loose overcoat made of wool or other rough material, often called a greatcoat, which sometimes features an attached shoulder cape covering the back and sleeves, and which can sometimes be buttoned in front.]