- the practice of changing the number or composition of judges on a court, making it more favorable to particular goals or ideologies, and typically involving an increase in the number of seats on the court: Court packing can tip the balance of the Supreme Court toward the right or left.
- an unsuccessful attempt by President Franklin D. Roosevelt in 1937 to appoint up to six additional justices to the U.S. Supreme Court, which had invalidated a number of his New Deal laws.
