noun, plural mem·os.

Origin of memo

by shortening; see -o
Related formscoun·ter·mem·o, noun, plural coun·ter·mem·os. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for memo

Contemporary Examples of memo

Historical Examples of memo

  • Memo: Must do the one in the dining-tent when the people are asleep for the night.

    It Happened in Egypt

    C. N. Williamson

  • But there was a memo, evidently added to the entry in some change of editions.

    Pariah Planet

    Murray Leinster

  • Memo: Squeeze the So-and-So village at the first time of calling.


    Joseph Conrad

  • Better make a memo to talk with this chief-freedman of Martwynn's, what's his name?

    A Slave is a Slave

    Henry Beam Piper

  • Hastily Aaron Logan prepared a memo stating the terms of the sale.

    David Lannarck, Midget

    George S. Harney

British Dictionary definitions for memo


noun plural memos

short for memorandum
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 memo

1889, shortening of memorandum (q.v.).

Online Etymology Dictionary, © 2010 Douglas Harper