Examples of “middleware” in a Sentence

noun Code that sits between a request arriving and the part of the application that finally answers it, doing shared jobs on the way through such as checking that the user is logged in, recording the request or rejecting bad input.

• Authentication is handled by middleware, so no individual page has to check it.
• We added a middleware that logs how long every request takes.

noun More broadly, software that sits between two other systems and lets them work together, such as a layer connecting an application to a database or to another company's systems.

• The hospital uses middleware to move records between the booking system and the lab.