WOW

1. Short for Windows on Windows, WOW is a method used with Microsoft Windows to keep track of each 16,32, and/or 64-bit DLL loaded by 16-bit applications. If those applications happen to crash, WOW determines if the associated DLL files should be unloaded.
2. Short for World Of WarCraft, WOW is a MMORPG developed by Blizzard.

Also see: Backwards compatibility, Game definitions, KEK, Operating system definitions