from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A modified individual retirement account in which a person can set aside after-tax income up to a specified amount each year. Earnings on the account are tax-free, and tax-free withdrawals may be made after age 59 1/2 .
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A particular kind of IRA (individual retirement account), used for its tax-related benefits.
After William Victor Roth, Jr. (1921-2003), U.S. congressman.(American Heritage® Dictionary of the English Language, Fourth Edition)
After William V. Roth Jr., who pushed for legislation that would allow for such IRAs; and IRA, initialism of individual retirement account. (Wiktionary)