What does AT-AT stand for?

AT-AT stands for more than one reason.

Here are the reasons:

AtATAs the Apple Turns (Macintosh-related web site)ATATAll Terrain Armored Transport (Star Wars)ATATAlloy Theoretic Automated ToolkitATatArts and Technology at tech (MIT student art group)ATATApprenticeship and Training Association of TexasATATArbeitsgemeinschaft für Total Abgehobene Technologie (Austria)ATATAlternative Technologies and Approaches Team