A money box, typically one shaped like a pig.
More example sentences
- Workers turned up with boxes, bags and piggy banks crammed with coins and by the end of the day the total reached £1, 550.
- Do you try to spend it to 'get rid of it', or do you put it in a jar or a piggy bank?
- If you have any old £10 notes hiding away in a wallet, purse or piggy bank, you have until midnight tonight to spend them.
Definition of piggy bank in:
- The US English dictionary