Top Definition
A piece of code that attends a message queue, processing each message in turn.

Message pumps are a staple of GUI programming, since messages are used to receive input.
The program abandoned the message pump and Windows eventually marked the window as not responding.
by henke37 May 23, 2014
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.