[mem-uh-ran-duh m]
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noun, plural mem·o·ran·dums, mem·o·ran·da [mem-uh-ran-duh] /ˌmɛm əˈræn də/.
  1. a short note designating something to be remembered, especially something to be done or acted upon in the future; reminder.
  2. a record or written statement of something.
  3. an informal message, especially one sent between two or more employees of the same company, concerning company business: an interoffice memorandum.
  4. Law. a writing, usually informal, containing the terms of a transaction.
  5. Diplomacy. a summary of the state of an issue, the reasons for a decision agreed on, etc.
  6. a document transferring title to goods but authorizing the return of the goods to the seller at the option of the buyer.

Origin of memorandum

1400–50; late Middle English < Latin: something to be noted, noun use of neuter of memorandus, gerundive of memorāre to mention, tell
Related formspre·mem·o·ran·dum, noun, plural pre·mem·o·ran·dums, pre·mem·o·ran·da. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for memoranda


noun plural -dums or -da (-də)
  1. a written statement, record, or communication such as within an office
  2. a note of things to be remembered
  3. an informal diplomatic communication, often unsigned: often summarizing the point of view of a government
  4. law a short written summary of the terms of a transaction
Often (esp for senses 1, 2) shortened to: memo

Word Origin for memorandum

C15: from Latin: (something) to be remembered
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for memoranda



early 15c., from Latin memorandum "(thing) to be remembered," neuter singular of memorandus "worthy of remembrance, noteworthy," gerundive of memorare "to call to mind," from memor "mindful of" (see memory). Originally a word written at the top of a note, by 1540s it came to stand for the note itself. The Latin plural is memoranda. Cf. also agenda.

Online Etymology Dictionary, © 2010 Douglas Harper