piggy bank meaning

• Noun: piggy bank  pigee bangk
  1. A child's coin bank (often shaped like a pig)
     - penny bank

  Derived forms: piggy banks

  Type of: bank, coin bank, money box, savings bank

  Encyclopedia: Piggy bank

• 
  [American slang]
  n. A small bank, sometimes in the shape of a pig, for saving coins. John's father gave him a piggy bank.
  

• piggy:    Adjective: piggy ( ...
• piggy-back:    [American slang]ad ...
• piggy-in-the-middle:     or piggˈy-in-the- ...

Examples

1. you haven't got a key to the piggy bank after all
2. as if it was some little kiddie's piggy bank
3. taurus gives stocks and bonds, with piggy banks for the kids
4. you haven't got a key to the piggy bank after all ..
5. no country has more in its national piggy bank than china