An object that is both beautiful and useful, generally objects of industrial design which are meant to have utility while having a pleasing aesthetic.
The beautility of architecture is seen in Frank Lloyd Wright's "Waterfall Home", but there is also beautility in small things like intricately patterned silverware.
My daughter is the the most Beautifullyest person I've ever known! She's beautiful and her soul is the Beautifullyest anyone I've ever known! Beautifullyest means love and respect, and that they are someone that is the most beautiful to you.