From Longman Business Dictionary
IRAIRA /ˈaɪrə/ noun [countableC] American EnglishAmEFINANCE individual retirement account; a savings account which a SELF-EMPLOYED person or someone working for a company can open if their employer does not offer a PENSION PLANA 35-year-old with $15,000 in IRA accounts would be eligible to withdraw about $453 a year.
IRA investors