Xbox /ˈɛks bɒks/noun 1verb 1forms 3 noun1 •Any of the home consoles in Microsoft's Xbox product line, especially the original Xbox.The Xbox or the Arcade Game Box? That's weird. They knocked off the look of the Xbox with the PlayStation controller. — 2015 verb1 •(informal) To play a video game using an Xbox home console. formsXboxed · Xboxing · Xboxes