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Definition of piggy bank noun from the Oxford Advanced Learner's Dictionary

piggy bank

noun
 
/ˈpɪɡi bæŋk/
 
/ˈpɪɡi bæŋk/
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  1. a container in the shape of a pig, with a narrow opening in the top for putting coins in, used by children to save money compare money box
See piggy bank in the Oxford Advanced American Dictionary
ripple effect
noun
 
 
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Change, cause and effect
C2
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