nounWord forms: plural piˈranhas or piˈranha
any of various small South American freshwater bony
fishes (family Serrasalmidae, order Cypriniformes) having strong jaws and very sharp
teeth: they hunt
any animals, including human
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'piranha'BrazPort < Tupí & Guaraní, toothed fish < pirá, fish + sainha, tooth