another name for Northern Ireland, used especially by unionists (= people who favour political union between Britain and Northern Ireland). There is also a province of Ulster in the Republic of Ireland. see also Six Counties阿爾斯特(Ulster):北愛爾蘭的另一個名稱,特别是由工會主義者使用的。愛爾蘭共和國還有阿爾斯特省。