MAESTRO (mis’tro) noun. A master in art. In Italian, Maestro means “master”. In English, Maestro reflects the mastery of an artistic field. In any language, the Maestro Collection is a composition of fine art, craftsmanship, style and elegance. Twenty-first century tub technology inspired by generations of fine artists. We like to think we’ve mastered the art of the freestanding tub.