Definition of piranha noun from the Oxford Advanced American Dictionary

 

piranha

 noun
noun
NAmE//pəˈrɑnə//
 
, NAmE//pəˈrɑnyə//
 
, NAmE//pəˈrænə//
 
 
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a small S. American freshwater fish that attacks and eats live animals
See the Oxford Advanced Learner's Dictionary entry: piranha