piranha
/pɪˈrɑːnjə/noun
1- a deep-bodied South American freshwater fish that typically lives in shoals and has very sharp teeth that are used to tear flesh from prey. It has a reputation as a fearsome predator锯脂鱼。
1.1
- Serrosalmus and other genera, family Characidae: several species.锯脂鲤属及其他属, 脂鲤科：数种。
词源
mid 18th cent.: via Portuguese from Tupi pirá 'fish' + pirá 'tooth'.