- The definition of interoffice is defined as something between the offices of an organization.
An example of something interoffice is a memo going from the philosophy department of a university to the registrar.
interoffice definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
between or among the offices within an organization
interoffice definition by American Heritage Dictionary
Transmitted or taking place between offices, especially those of a single organization: an interoffice memo; interoffice conferences.