Apart from being the sound heard on the flight deck as the engines come to a halt, and being a lovely red fruity beverage . . . WINE is an "environment" which runs under LINUX and allows most (?) WinDoze software to run on a LIUX system.
Sits back waiting for someone more knowledgable to tear this post to bits and give a more accurate explanation 
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It's never a dumb question if you really don't know the answer!