IRA

noun

1. a militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland

   noun.group

   Synonyms irish republican army provisional ira provisional irish republican army provos

   Source: WordNet 3.0

2. a retirement plan that allows you to contribute a limited yearly sum toward your retirement; taxes on the interest earned in the account are deferred

   noun.cognition

   Synonyms individual retirement account

   Source: WordNet 3.0

3. belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)

   noun.act

   Synonyms anger ire wrath

   Source: WordNet 3.0