an·nu·i·ty (ə-nĭ-tē, ə-ny-)
n. pl. an·nu·i·ties
a. The annual payment of an allowance or income.
b. The right to receive this payment or the obligation to make this payment.
2. A contract or agreement by which one receives fixed payments on an investment for a lifetime or for a specified number of years.
[Middle English annuite, from Anglo-Norman, from Medieval Latin annuitās, from Latin annuus, yearly, from annus, year; see at- in the Appendix of Indo-European roots.]
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