annuitynoun(pluralannuities) 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.
Derivatives
annuitizeorannuitiseverb
Origin
ME: from Fr.annuité, from med. L.annuitas, from L.annuus'yearly', fromannus'year'.