IRA BrE AmE noun
1 . the IRA /ˌaɪ ɑːr ˈeɪ/ (the Irish Republican Army) an illegal organization that wants to unite Northern Ireland and the Republic of Ireland ⇨ Sinn Fein
2 . [countable] ( also individual retirement account /'aɪrə/ American English ) a special bank account in which you can save money for your ↑ retirement without paying tax on it until later