1. an accident involving an overturned vehicle.
  2. Business. a reinvestment of funds, especially a tax-free transfer of assets from one retirement plan to another. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rollover

Contemporary Examples of rollover

Historical Examples of rollover

Word Origin and History for rollover

also roll-over "an overturning," 1945, from verbal phrase; see roll (v.) + over (adv.). Economic verbal sense of "reinvest" is from 1957.

Online Etymology Dictionary, © 2010 Douglas Harper