(1) Software that plays DVD discs. See media player. (2) A stand-alone unit that ... THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

A handheld device with a built-in DVD drive and flip-over lid ... See portable media player. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

After months of rumors, Microsoft suddenly pulled the covers off its upgraded Zune personal media player late yesterday. It's called the Zune HD, and it's unashamedly gunning after the iPod touch.