A "Double Play" is a defensive play in baseball where two outs are made in a single continuous action. This typically occurs when a batter hits a ground ball, allowing the fielding team to throw the ball to a base to get one runner out and then quickly throw to another base to get a second runner out. Double plays are crucial for a team's defense, as they can significantly reduce the number of runs scored by the opposing team. They often involve the pitcher, catcher, and infielders, showcasing teamwork and quick decision-making on the field.