n.
(pl. annuities)
a fixed sum of money paid to someone each year, typically for the rest of their life.
▸a form of insurance or investment entitling the investor to a series of annual sums.
Derivative
- annuitize
or annuitise v.
Etymology
ME: from Fr. annuité, from med. L. annuitas, from L. annuus ‘yearly’, from annus ‘year’.