The term "473rd" refers to the ordinal number that comes after 472 and before 474. It is often used to indicate a position in a sequence, such as ranking, listing, or ordering. For example, in a race, the runner who finishes in 473rd place is the 473rd person to cross the finish line. In various contexts, such as military units or organizations, "473rd" can denote a specific group or designation. For instance, the 473rd Fighter Group is a unit in the United States Air Force, showcasing how this number can represent a particular entity or classification.