The crossword solution for the term 'Diamond Figure, For Short' is UMP, a three-letter acronym. UMP stands for umpire, which is an official in a variety of sports who is responsible for enforcing the rules and making judgments on plays. Umpires are often seen in baseball, where they are positioned behind home plate and make calls on balls and strikes. Umpires also have the authority to eject players or coaches from the game.