ira

noun ! Definition from WordNet 3.1, Princeton University. More about ira at Wordnik → Where our words come from →

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