from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The annual payment of an allowance or income.
  • n. The right to receive this payment or the obligation to make this payment.
  • n. A contract or agreement by which one receives fixed payments on an investment for a lifetime or for a specified number of years.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A specified income payable at stated intervals for a fixed or a contingent period, often for the recipient’s life, in consideration of a stipulated premium paid either in prior installment payments or in a single payment. For example, a retirement annuity paid to a public officer following his or her retirement.
  • n. The right to receive such an income.
  • n. The duty to make such a payment or payments.

from the GNU version of the Collaborative International Dictionary of English

  • n. A sum of money, payable yearly, to continue for a given number of years, for life, or forever; an annual allowance.

from The Century Dictionary and Cyclopedia

  • n. A periodical payment of money, amounting to a fixed sum in each year, the moneys paid being either a gift or in consideration of a gross sum received.
  • n. The ligament which attaches the stapes to the rim of the fenestra ovalis.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. income from capital investment paid in a series of regular payments


Middle English annuite, from Anglo-Norman, from Medieval Latin annuitās, from Latin annuus, yearly, from annus, year; see at- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French annuité, from Medieval Latin annuitās, from Latin annuus ("annual"). (Wiktionary)


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