Software that serves as an intermediary between systems software and an application.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "middleware" in a sentence
"Of course, as the name implies, Fusion middleware is part of the core techstack we are using to build our Fusion Applications."
"After all, Groove is in the category of "middleware" -- software that runs on top of Windows (or other platforms) and allows outsider developers to build on it."
"What this does illustrate, however, is that we need more "middleware" - standards for letting us export/import followers."