LISTSERV

[list-surv]
noun listserv
  1. any similar software program.
  2. an email discussion group; an online mailing list.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for listserv

listserv

noun
  1. a service on the internet that provides an electronic mailing to subscribers with similar interests
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