D defs.my
Entry 1 sense Webster, 1913

Annuity

/ən-o͞o'-ət-ē/ · An·nu·i·ty · IPA /əˈn(j)uɪti/
01 n. A sum of money, payable yearly, to continue for a given number of years, for life, or forever; an annual allowance.
pl. Annuities
  1. 1.
    A sum of money, payable yearly, to continue for a given number of years, for life, or forever; an annual allowance.