Piranha

//pɪˈɹɑːn(j)ə// noun

Definitions

Noun
  1. 1
    Any of certain freshwater fish of the subfamily Serrasalminae, native to South America; they are characterised by razor-sharp teeth and a reputation of being ferocious predators (despite most species being omnivorous).
  2. 2
    small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals wordnet
  3. 3
    someone who attacks in search of booty wordnet

Etymology

First attested in 1869. The term entered English either via Portuguese piranha or Spanish piraña, from Old Tupi pirãîa.

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