Piggy/ˈpɪɡi/ Definition 1 of 4Pro Tip 1/3Childhood Savings Typically used for encouraging children to save money as part of learning financial responsibility. Every week, I add my allowance to the piggy. Pro Tip 2/3Break to Open Piggy banks often need to be broken as they don't always have an opening. She had to break the piggy to get her savings out. Pro Tip 3/3Saving Symbol A piggy bank symbolizes saving money, often featured in stories and illustrations. He illustrated the concept of savings using a piggy bank.