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cross-post

or cross·post

[kraws-pohst kros‐]Digital Technology
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verb (used with or without object)
  1. to post (the same message) to two or more message boards or electronic mailing lists at the same time.
noun
  1. a message posted to two or more message boards or electronic mailing lists at the same time: Cross-posts are often greeted with hostility.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cross-post

Historical Examples

  • This was, in effect, to establish a cross-post at a time when cross-posts did not exist.

    The History of the Post Office

    Herbert Joyce

  • On the bye and cross-post letters the postage for the year 1719 had amounted to 4000.

  • From Liverpool and Manchester the cross-post service to almost every part of the kingdom was at the same time improved.

  • From the bye and cross-post letters the postmasters-general had received, at the highest, 4000 a year.

  • The postmasters were strictly enjoined to stamp the bye and cross-post letters.