Dead Tree Edition Meaning

(idiomatic, pejorative, humorous) Paper version of a publication that can be found in an electronic media version.

Example: 2004, William R. Tracey, The Human Resources Glossary, p.167
  dead-tree edition Derogatory cyberspeak for the paper version of a periodical....
2011, Rachel Dresbeck, Insiders' Guide to Portland, Oregon, ISBN 978-0-7627-6475-4, page 322:
  The city's major daily newspaper, the Oregonian, is losing subscribers to the dead-tree edition but has a large online following.