The word 'au' has two meanings: 1: a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most...
au is like avec it means with. ex "au fromage or avec du fromage." my bad it meanslike a l'ecole or if its masculin au restaurant. or at many places such as eBay it can mean Australia AU also refers...
Acronyms are a tricky pony. AU can mean many things, like Australia, Gold, Audio Unit (a type of plug-in), arbitrary unit, an ancient audio format (.au) and it even is aChinese surname.