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[pohst-mahrk] /ˈpoʊstˌmɑrk/
an official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.
verb (used with object)
to stamp with a postmark.
Origin of postmark
First recorded in 1670-80; post3 + mark1
Related forms
unpostmarked, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for postmark
Historical Examples
  • A postmark is the stamp put on the outside of a letter at the office where it is posted.

  • It bore the Paris postmark: on it was drawn the route from Verdun to the frontier.

    A Nest of Spies Pierre Souvestre
  • There was no date and no address, but the postmark was Bradfield in the north of England.

    The Stark Munro Letters J. Stark Munro
  • To my surprise I noticed that the stamp in the corner was English and the postmark "London."

    Kent Knowles: Quahaug Joseph C. Lincoln
  • He glanced at the postmark, saw that it was Nantucket, and stuck the note behind the clock.

    Cap'n Eri Joseph Crosby Lincoln
  • Rita had been receiving many letters with the New York postmark; but what of that?

    Three Margarets Laura E. Richards
  • The crest on the paper, the postmark on the envelope, convinced him of its authenticity.

    The Lure of the Mask Harold MacGrath
  • On my return to our little house, they gave me a letter with the postmark of Saint-Germain.

    Artists' Wives Alphonse Daudet
  • This communication was from my agent Sander, and bore the Brussels postmark.


    Henry Seton Merriman
  • It consisted simply of a visiting-card, in an envelope with an English postmark.

British Dictionary definitions for postmark


any mark stamped on mail by postal officials, such as a simple obliteration, date mark, or indication of route See also cancellation
(transitive) to put such a mark on mail
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
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Word Origin and History for postmark

1670s, from post (n.3) + mark (n.1). As a verb from 1716. Related: Postmarked; postmarking.

Online Etymology Dictionary, © 2010 Douglas Harper
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